Mcnally tube
[电] 反射调速管
🧩 词语组成解析
麦克纳利（人名）
🗣️ 情景例句
He has a major toy buyer in Los Angeles,
他在Los Angeles有一个玩具大买主，
I ought to take his advice.
我应该接受他的劝告。
why have we had no visitors from outer space yet?
那么我们为什么还未见到外层空间来访的客人呢？