Interflex
电子管和晶体检波器的组合
🗣️ 情景例句
It's getting late, and we have a bit of a drive.
已经晚了， 而我们还要开好一段路呢。
The greatest pleasure of life is love.
爱是人生最大的乐趣。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？