Pentabromoethane
五溴乙烷
🗣️ 情景例句
May I ask who I am talking to?
请问你是谁？
How much is a call to the United states?
打一个电话到美国去需要多少钱？
Come, come. Get him his change, Tod.
得了，得了，给他找钱吧，托德。