Interflex
电子管和晶体检波器的组合
🗣️ 情景例句
They're the ones.
找他们没错。
The school is two miles straight ahead.
那学校一直向前两英里。
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一时间我们还在山顶上行走，而现在30公尺开外的地方我们都看不清了。