Reverberometer
混响计, 混响时间测量计
🗣️ 情景例句
I'm just being a grandfather.
我只是在尽一个爷爷的本份而已。
Do you have any seats?
你有座位吗？
No! I mean, have you seen how dirty the water is? It looks as if it isn' t clean enough to bathe here.
不！我的意思是您有没有看见海水有多脏？看起来海水好象不干净，不能游泳。