Precoce
早熟的；早发育的；早到的, 过早的
🗣️ 情景例句
and he doesn't know anything
而他毫无所知
Do you live in the same block?
你在同一条街居住吗？
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。