Multistage
a. 多级的, 多阶段的\\n[机] 多级
🗣️ 情景例句
And I would like to introduce the young man
现在我希望向大家介绍这位年轻人
He was always called as genius.
他总被人们称为“天才”。
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。