Sonac
超声传感器
🗣️ 情景例句
Please, come in. Join us.
请进。跟我们一起吃吧。
I'm not well enough.
我还不够棒。
do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).
也都会消耗完其能量（整个宇宙是否如此，目前尚有争论）。