Acllideic i
[机] 血管舒缓激
🗣️ 情景例句
Don't worry, Gemma.
别担心 Gemma。
Do you like animal?
你喜欢动物？
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。