Hengelo
n. 亨格罗（荷兰城市）
🗣️ 情景例句
And we'll also need some ladders
而且我们还需要一些梯子
The doctor advised me to stay indoors more.
医生劝我要多待在屋子里。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。