Ortho-helium
[化] 正氦
🧩 词语组成解析
原; 直
helium
['hi:ljəm, -liəm]
n. <化>氦;
🗣️ 情景例句
Stone has been out of work for three months.
世通已失业三个月了。
You cannot break the contract without any good reason.
如果没有什么正当理由，你们不应撕毁合同。
We want the same rights as the white people in the city.
我们要求享有与本市白人平等的权利。