Parachloroacetophenone
对氯苯乙酮
🗣️ 情景例句
Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩， 大家都应该遵守。
Pat, pat. He is patting the kid on his head.
拍，拍。他在轻拍着那个小孩的头。
Oh ,dear! she said.
“天哪！”她说。