Impactor
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
So that's it.
原来是这件事。
Beauty may have fair leaves, but bitter fruit.
美丽的花或许长好叶，结苦果。
In fact, I was a bit frightened and didn't know what we should do.
事实上我有点害怕，不知道我们该怎么办。