Sigma.
[医] 千分之一秒
🗣️ 情景例句
I have never confirmed that the Roswell base exists, but I can't deny it either.
我从没有说过拉兹威基地存在，但我也不会否认。
It's time for dinner.
该吃晚饭了。
I'll go to that shop and see if they have a telephone.
我去那个商店，看看是否有电话。