Qualification test specification
[化] 质量鉴定试验规范
🧩 词语组成解析
🗣️ 情景例句
Some think that all's fair in business.
一些人以为商界的一切都是公平的。
It doesn't happen every day.
这可不是天天都有的。
He's gone to England with his family. He won't be back until January.
他和家人一起回英国了。要到元月份才回来。