书籍 Insight - 中高级 - 单元 2 - 2A

far away in space or distant in position

a large marine mammal like a seal with two large tusks that lives in Arctic regions

a situation in which one has just enough money or food to survive

(of weather) uncomfortably hot and lacking air circulation

having or displaying a lot of knowledge or great understanding

to expose someone or something to potential harm or risk

cruel and unkind toward others

in a way that cannot be stopped or avoided, and certainly happens

the obligation to perform a particular duty or task that is assigned to one

an advantage or a helpful effect that is the result of a situation

an amount that fits in a hand

to ask something from someone in an urgent and forceful manner

the quality of being related or useful to the current situation or topic

to take and tightly hold something

to admire someone because of their achievements, qualities, etc.

an understanding of or information about a subject after studying and experiencing it

any of the five natural abilities of sight, hearing, smell, touch, and taste

originating from or created by nature, not made or caused by humans

the space outside the earth's atmosphere

an area of land that is curved and partly encloses a part of the sea

the part of a river that is wide and where it meets the sea

a large mass of ice that forms over long periods of time, especially in polar regions or high mountains

a large, open, and grass-covered area

a large piece of floating ice that has broken off from an ice sheet and is floating on the water

a small and narrow river that runs on or under the earth

a group of mountains or hills in a line

a large body of land that is partially surrounded by water but is attached to a larger area of land

a vast area of flat land

an area containing still water that is comparatively smaller than a lake, particularly one that is made artificially

an area of land that is covered with water or is always very wet

the expansive flat Arctic regions, of North America, Asia, and Europe, in which no trees grow and the soil is always frozen

any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars

a specific group of stars that form a pattern and have a name related to their shape

a large number of star systems bound together by gravitational force

a piece of rock or metal from space that has hit the surface of the earth

the circular object going round the earth, visible mostly at night

a huge round object that moves in an orbit, around the sun, or any other star

the sun and the group of planets orbiting around it, including the earth

(astronomy) a shining point found in large numbers in the night sky

the large, bright star in the sky that shines during the day and gives us light and heat

all that exists in the physical world, such as space, planets, galaxies, etc.