Echosounder
[医]超声探测器
🗣️ 情景例句
It's nothing.
没什么。
A good conscience is a soft pillow.
白日不做亏心事，夜半敲门心不惊。
Even men who can hardly drive a nail in straight are supposed to be born electricians, carpenters, plumbers and mechanics.
甚至那些连一枚钉子都钉不直的男人都被认为是天生的电工、木匠、水管工和机械师。