Mackee
[人名] 麦基
🗣️ 情景例句
Help yourselves.
请随便用。
Why didn't you like hard work so much?
为什么你那么不喜欢好好工作？
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。