Monophone
送受话器, 收发话器
🗣️ 情景例句
Rome wasn't built in a day.
冰冻三尺，非一日之寒。
I wish you the best of luck in your new venture.
我祝你们的新事业好运。
I'm planning to do a special study of satellites next term.
我计划下学期就卫星的问题做些特别的研究。