Mcnally tube
[电] 反射调速管
🧩 词语组成解析
麦克纳利（人名）
🗣️ 情景例句
No.
没有。
He that never climbed never fell.
不向上爬的也不会下跌。
Here was a seven-year-old girl who at the age of 19 months had become deaf and blind.
一个7岁的女孩，出生19个月后就得了聋盲症。