adj.無人操縱的;難以自持的;(鷹等)未經(jīng)過訓(xùn)練的
We sent an unmanned rocket into earth orbit. 我們把一個(gè)無人駕駛的火箭送入了地球的軌道里。
Unmanned probes can be much smaller and lighter than manned spaceships. 無人駕駛探測器可以比載人航天器小得多,輕得多。
I am quite unmanned by the news. 那消息使我茫然若失。