Nonnegative
a. [数]非负的,正的,零的
🗣️ 情景例句
Please declare anything you're unsure of.
申请报告有你没太明确是否需要申报的东西。
How many more minutes will it take for the train to arrive?
火车还要多少分钟就要到达呢？
The trainer stands in front of the elephant holding a long stick with a sharp metal point.
驯练员手持一根有锋利金属尖头的长棒，站在象前。