Erl
abbr. emergency reference level 紧急参考标准
🗣️ 情景例句
then you've got to smile first.
你就得先笑一笑。
I don't think that's at all funny.
我觉得那件事一点也不好笑。
How long have you worked in this factory?
你在这家工厂工作有多长时间了？