Sigma.
[医] 千分之一秒
🗣️ 情景例句
He's going to be in New York tomorrow
明天， 他要来纽约
No. It's only take about five minutes to walk.
不用。只消走5分钟左右就到了。
OK. I'll bring it to school in the morning.
没问题。明早我带到学校。