Relicon
液晶屏电子束管
🗣️ 情景例句
When you go to a new school it takes a while to know the ropes.
到一所学校读书要花一段时间熟悉情况。
May I refill your drink?
再喝一杯如何？
I hurried to the ticket office.
我匆匆赶到售票处，