Diamantin
金钢铝, 人造钢玉
🗣️ 情景例句
My doctor says I could live to be 100.
我的医生说我能活到100岁。
We'll be on time,won't we?
我们将按时到，是吗？
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。