Keyed amplifier
[计] 键控放大器
🧩 词语组成解析
keyed
[ki:d]
adj. （乐器）有键的;定好音调的;与…相宜的;
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
Just go by yourself!
自己去就好了嘛。
It is always wiser and safer to face up to reality,
遇事采取面对现实的态度总是比较明智和稳妥的，