Umer
abbr. unit mass emission rates 单位质量发射率
🗣️ 情景例句
She's a bimbo.
她行为放荡。
Yesterday was such a beautiful day we decided to go for a drive.
昨天是如此美好的一天，我们决定开车出去。
I'm sorry, but I have to cancel out luncheon appointment.
真抱歉，不过我不得不取消我们午餐的约会。