abbr. Peru 秘鲁;Product Engineering 产品工程
网络 聚乙烯(Polyethylene); 私募股权投资(Private Equity); 市盈率
On Monday, we have a PE lesson.
星期一我们有一节体育课。
Do we have a PE lesson today?
今天我们有体育课吗?
This morning we had a PE lesson.
今天上午我们上了一节体育课。
When do you have a PE class?
你何时有体育课?
This afternoon we had a PE lesson.
今天下午我们上了一节体育课。