Polybromocarbon
多溴烃
🗣️ 情景例句
Why do you want to leave your current employment?
你为什么希望离开目前的工作？
I will go to Vancouver.
我将去温哥华。
Oh, good evening. May I speak to Ann, please?
噢，晚上好！我想跟安讲话，行吗？