Reterence
[经] 证明人, 介绍人, 证明书
🗣️ 情景例句
And Michigan needs a touchdown. Michigan
Michigan队需要达阵得分。
If you work in a factory,you usually have to punch a clock.
如果你在一个工厂里工作，你通常必须打卡。
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。