hydroelectric
adj
(a) using water-power to produce electricity 使用水力发电的
a hydroelectric plant 水力发电厂.
(b) (of electricity) produced by the pressure of rushing water (指电)水力发出的
hydroelectric power 水电力.
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
To drop
掉下
The plane was late and detectives were waiting at the airport all morning.