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[建] 铸塑酚醛塑料
🗣️ 情景例句
My doctor advised me to give up smoking without delay.
医生劝我立即戒烟。
When did you get up yesterday morning?
你昨天早上几点起床？
No, I don't I'm John Smith the telephone engineer and I'm repairing your telephone line.
不，不是。我是电话工程师约翰。史密斯，我正在修理您的电话线。