Aquaphone
[医] 听水音器
🗣️ 情景例句
I'm afraid the cardboard boxes are not strong enough for transport by sea.
我担心这种纸箱，用于远洋运输，不够结实。
It is good fishing in troubled waters.
混水之中好摸鱼。
You are never too old to learn.
活到老，学到老。