Nonnegative
a. [数]非负的,正的,零的
🗣️ 情景例句
I'll accept.
我接受邀请。
I didn't know whether to send the letter airmail or not.
我不知道是否送航空邮件。
Unlike most of his contemporaries in Hollywood, Hart actually knew something of the old West.
哈特与大部分同时代在好莱坞的演员不同，他确实了解西部早期拓荒生活的一些情况。