Aquitard
弱含水層
??? 情景例句
What's this dish got in it?
這碟里面裝的是什么東西？
He isn't really serious; he's just playing games with her.
他并不是一本正經(jīng)，只是跟她玩玩游戲而已。
A shoal of fish will do this.
魚群也反射聲音。