Nonosecond
n. 十亿分之一秒
🗣️ 情景例句
Why do we need a swimming pool? Everyone in the family hates swimming!
我们需要游泳池做什么呢？家里人都讨厌游泳。
Experience keeps no school, she teaches her pupils singly.
亲身经验，才是经验。
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