Nonnegative
a. [数]非负的,正的,零的
🗣️ 情景例句
Oh, I'd like you to meet my sister-in-law Marilyn.
噢 我来向你介绍我嫂子Marilyn。
I have a sweet tooth.
我喜欢吃甜食。
You're very eloquent.
你看上去真精神。