Unisar
联合(石油公司)芳烃饱和(法)
🗣️ 情景例句
This is a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
Who can best handle the problem?
谁能将那问题处理得最好？
When did you bring it to us?
您什么时候送来的？