Scns
[医][=subcutaneous nerve stimulation]皮下神经刺激
🗣️ 情景例句
Allow me to suggest an alternative.
让我提个其他的建议吧。
It's a small world.
世界真小！
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。