Impactite
[地质]碰撞岩, 冲击石[岩]
🗣️ 情景例句
That leaves a lot to be desired.
太不让人满意了。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
He is a smart boy.
他是个小机灵鬼。