Heterodyne wavemeter
[电] 外差波长计
🧩 词语组成解析
[电] 外差
[电] 波计
🗣️ 情景例句
She flunked her English examination.
她的英语考试失败了。
One cannot make bricks without straw.
巧妇难为无米之炊。
for the basket contained two Members of Parliament and the Commanding Officer of the station!
因为筐里是两名国会议员和一名基地的指挥官！