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
If no one comes to claim Gemma,
如果没有人来认领Gemma，
Do you ever do exercises on Saturday?
你曾经在星期六做练习吗？
It was not until his third match in 1790 that he finally beat Humphries and became Champion of England.
直到1790年他们第3次对垒，门多萨才终于击败汉弗莱斯，成了全英拳击冠军。