Impactor
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
What do you recommend?
有什么建议？
Have I made myself clear?
我讲明白了吗？
These satellites go round the earth and help us to learn more about the earth, the weather and other things.
这些卫星绕着地球转，帮助我们更好地了解地球、天气和其他情况。