Phenarsen
４,５-二氯苯-1,3-二磺酰胺盐酸盐
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
The poor are rich when they are satisfied.
贫能知足即为富。
I determined to lodge a complaint as soon as we arrived.
我决定到目的地就给铁路部门提意见。