Trichodina
车轮虫属
🗣️ 情景例句
How would you pack the goods we have ordered?
你们对我们这批订货如何包装？
Do we have to wear the helmets?
我们得戴上防护帽吗？
Houses -- often three storeys high -- were built of stone.
房子一般有3层楼高，用石块修建。