Ornithopod
n. [古生]鸟脚亚目恐龙
🗣️ 情景例句
Mm, the day after tomorrow?
啊，后天？
The dainties of the great are the tears of the poor.
大人物的美味是穷人的眼泪。
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。