Centinewton
百分之一牛顿
🗣️ 情景例句
Affectionately, Uncle John.
爱你的，约翰叔叔。
Don't miss the boat.
不要坐失良机。
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。