自然科学SAT - 技术对象

a heavy object, usually made of metal, designed to secure a vessel or structure firmly to the bottom of a body of water to prevent drifting

锚

a spiral shape that looks like a coil, often seen in things like springs, screws, or some types of antennas

螺旋

an electronic device used for playing video games on a television or display screen

游戏机

a flying vehicle such as an aircraft that is controlled from afar and has no pilot

无人机

a light and airy material made by trapping gas bubbles in a solid or liquid substance during production

泡沫

the specific equipment or materials carried by a vehicle for a particular purpose

有效载荷

an exact or very close copy of an object, often made to resemble the original in appearance and function

复制品

any vehicle designed for travel across or through water

船舶

a narrow boat that is light and has pointed ends, which can be moved using paddles

独木舟

a specialized underwater vehicle designed to operate and navigate beneath the surface of water, typically used for exploration, research, or marine activities

潜水器

the main body or framework of a ship or boat, typically the outer shell that provides buoyancy and protects against water

船体

a type of parchment made from animal skin, typically calfskin, used for writing or printing

生牛皮纸

an object, often a missile or bullet, propelled through the air by force, typically for military or scientific purposes

弹丸

a hand tool with a flat, pointed, or rounded blade used for applying and spreading mortar, plaster, or other similar materials onto surfaces such as walls, floors, or ceilings during masonry or tile work

抹子

a mechanical device used for lifting and lowering heavy objects or materials vertically

起重机

an electronic instrument used to graphically display and analyze voltage signals over time, showing the waveform's amplitude, frequency, and other characteristics

示波器

a device or machine that is often unusual or complicated, made for a specific job

装置

a mechanical device powered by flowing or falling water, typically used to generate mechanical power for tasks such as grinding grain or pumping water

水车

an innovative device used in printing, casting individual lines of type from molten metal, significantly advancing the efficiency of typesetting

铅字机

a distinct layer or level within a system, often conceived as having depth or hierarchy

层

a measuring instrument or device used to determine the size, capacity, amount, or extent of something

压力表

a richly decorative fabric characterized by raised patterns

锦缎

a flexible material, often in the form of a sealant or filler, used to seal gaps, joints, or cracks in various surfaces, such as walls, windows, or pipes, to prevent air, water, or pests from entering or escaping

密封剂

a large sheet of strong, flexible material, typically made of canvas or polyethylene, used to protect or cover objects from weather or debris

防水布

an object, typically over a hundred years old, considered valuable due to its historical significance, craftsmanship, or rarity

古董

a device in a vehicle that measures the distance traveled by counting the number of rotations of a vehicle's wheels

里程表

a writing tool made from a bird feather, typically the large flight feather of a goose or swan, with a sharpened end

羽毛笔

a flat or curved object, often made of metal or plastic, designed to catch or direct airflow, typically used in weather vanes, turbines, or aircraft

风向标

weapons and ammunition used for military or defense purposes, including firearms, bombs, grenades, and missiles

弹药

an explosive device placed on railroad tracks, activated by passing trains to warn engineers of potential dangers ahead

鱼雷

a device with a long thin bar and a weight at the end that swings side to side to keep a clock working

钟摆

a round metal part that rotates in one direction and locks in the opposite direction, used on art tools such as paintbrush handles or adjustable clamps

棘轮

a sharp projection or point, typically found on wire fencing, designed to deter and hinder passage or intrusion

刺

a collection of various equipment used for a particular task

设备

a simple lighting device from earlier times, consisting of a rush stem soaked in fat or grease, used as a makeshift candle

芦苇蜡烛

a machine tool that rotates a workpiece so one can shape it by cutting, sanding, or drilling

车床

a package or set of basic items or tools assembled to help someone get started with a particular activity

入门套件

a protruding structure that supports a building or wall and is made out of bricks or stones

支撑结构

cloth that is made from the fibers of a plant called flax, used to make fine clothes, etc.

亚麻

a channel or pipeline used to transport water over a long distance, usually from a remote source to a town or city

输水渠

a long, elevated structure that carries a railway or road across a valley or river, typically held up by a series of arches

高架桥

an upright, tall, and strong structure made of stone, metal, or wood that provides support for a part of a building such as the roof

柱子

(computing) the part of a computer by which all programs work

处理器