Key modulation
[电] 电键调变
🧩 词语组成解析
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
modulation
[[ˌmɔdju'leiʃən]]
n. 调制, 调节, 语调\\n[计] 调制
🗣️ 情景例句
Can I buy travelers checks here?
这儿能买旅行支票吗？
She requests your presence at the conference.
她恳求你们参加会议。
A radio message from the mainland had been received by the ship's captain instructing him to give up the search.
返航前，该船船长收到了大陆发来的电报，指示他们放弃这次搜寻。