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射频, 测距计, 测远仪\\n[计] 射频
🗣️ 情景例句
May I ask how Mr. Mrs- is?
-先生（小姐）好吗？
Do as you would be done by.
推己及人。
Many of them have to wait six months for their goods.
许多顾客不得不等上半年才得到所需的商品。