Nonosecond
n. 十亿分之一秒
🗣️ 情景例句
the autograph of somebody who may be famous someday.
将来有可能成名的人的亲笔签名。
Sorry, I guess I wasn't thinking. I won't do it again.
对不起。我对这事没想过，下次不这样了。
It doesn't matter.
不要紧。