Impactor
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
Weight training makes me feel good.
举重训练使我感觉不错。
He is teasing a friend.
他在愚弄朋友。
Hello! Could I speak to the headmaster, please?
您好！我能和校长通话吗？