Fluorescences
(fluorescence 的复数) n. 荧光, 发荧光, 荧光性\\n[化] 荧光
🗣️ 情景例句
I don't want to sound like a busybody, but didn't you plan to go abroad?
我并不想瞎打听，可你原来不是打算出国吗？
I'd like your professional advice.
我想要听听你专业方面的意见。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。