Mallards
n. [鸟] 绿头鸭（mallard的复数形式）
🗣️ 情景例句
You're the best.
你是最棒的。
When I'm going to buy a TV set next time, I'll buy a console model.
下次买电视机的时候，我买叫大屏幕的。
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。