Amplidyne
[电] 电动放大机
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
How much does packing take up of the total cost of the goods?
包装占货物总成本的百分比是多少？
You need to wear lots of warm clothes.
人们要穿很多的保暖的衣服。