Skilled worker
[化] 熟练工人\\n[经] 技术工入
🧩 词语组成解析
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Congratulations on your graduation.
我恭喜你毕业了。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。