Detectoscope
水声探 测器, 水中听音器
🗣️ 情景例句
But I haven't finished telling you
但我还没有对你说完
Which one is more economical?
哪一个是比较经济的？
Farm labourers said that they always woke up to find that work had been done overnight.
雇工们说，常常一早起来发现有人在夜里把活干了，