Preagricultural
a. 農(nóng)業(yè)社會前的,人類開始從事農(nóng)業(yè)前的
??? 情景例句
I'll wait outside.
我到外面等。
When did you travel?
你什么時候旅行？
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人類自夸的“征服”了空氣的發(fā)動機(jī)。