A-m tuner
[电] 幅变调谐器
🧩 词语组成解析
tuner
['tju:nə]
n. 无线电收音机;调音师;
🗣️ 情景例句
Can't you figure it out?
找不到答案吗？
Hush! Talk quietly.
嘘！请小声讲话。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。