Liquid detector
[电] 液体检波器
🧩 词语组成解析
🗣️ 情景例句
and they found it to be too easy--
他们发现字太简单了，
It must be rather difficult for us to push any sales if we buy it at this price.
如果我们按这个价格购买，将很能难推销。
We'll send a man right out to look at it.
我们马上会派个人去查看。