Plesiostratotype
近层型
🗣️ 情景例句
I have two days off a week.
我一星期休息两天。
We have some reports to show you for background information.
我们还有一些报告向你介绍背景资料。
steam boats carried thousands of visitors across the Channel from Europe.
但汽船还是把成千上万的参观者从欧洲大陆送过了英吉利海峡。