Relicon
液晶屏电子束管
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
Out main aim is to please the customers.
我们的目的是让顾客满意。
In primitive cultures the obligation to seek and to receive the traditional instruction is binding to all.
在原始文化中，寻求和接受传统教育的义务对全民都有约束力。