Nineties
n. 九十几, 九十年代( ninety的名词复数 )
🗣️ 情景例句
But I suggest you complete your education first.
但是我建议你首先完成你的学业。
I'm pressed for money.
我苦于没钱。
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。