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a thick and stiff type of paper material that is often used for packaging and making boxes
纸板, 厚纸板
created by molding clay into a desired shape and then baking the clay at a high temperature to harden it
陶瓷的, 陶土制的
a hard material used for building structures, made by mixing cement, water, sand, and small stones
混凝土, 建筑材料
a metallic chemical element that has a red-brown color, primarily used as a conductor in wiring
铜
a metallic chemical element with a silvery-gray appearance, widely used for making tools, steel, buildings, and various industrial products
铁
strong material made from animal skin and used for making clothes, bags, shoes, etc.
皮革
the thin sheets on which one can write, draw, or print things, also used as wrapping material
纸
a light substance produced in a chemical process that can be formed into different shapes when heated
塑料
a material that is elastic, water-resistant, and often used in various products such as tires, gloves, and erasers
橡胶, rubber
a type of hard metal that is made of a mixture of iron and carbon, used in construction of buildings, vehicles, etc.
钢
the hard material that the trunk and branches of a tree or shrub are made of, used for fuel or timber
木材
an open shoe that fastens the sole to one's foot with straps, particularly worn when the weather is warm
凉鞋, 开口鞋
the electricity supply that is distributed to households, businesses, and other facilities through power grids and transmission lines
主电源, 市电
using a battery as the main source of energy to operate a device or equipment
电池驱动的, 使用电池供电的
energy that is generated from the sun's radiation using solar panels, which convert sunlight into electricity
太阳能, 光伏发电
(physics) the measure of the rate at which work is done, and is typically measured in watts, which are equivalent to joules per second
功率, 能量
(of adevice or equipment) not connected to a power source by a cord or cable, and instead uses a battery or other means of power
无绳的, 无线的
(of a battery or device) capable of being supplied with electrical power again
可充电的
a type of hard metal that is made of a mixture of iron and carbon, used in construction of buildings, vehicles, etc.
钢
a round object attached to a vehicle from its center, which allows a person can move the vehicle in different directions
轮子, 车辆轮子
to publish, display, or make available online or in a physical location for others to see or read
发布, 展示
to move toward a location that the speaker considers to be close or relevant to them
来, 靠近
a light silver-gray metal used primarily for making cooking equipment and aircraft parts
铝, 铝 (中文)
