例句：
Get everything in writing in order to cover your back.
一切都要立字爲據，以絕後患。
Water covers a large proportion of the earth's surface.
水覆蓋了地球表面的`大部分。
The book aims to cover all aspects of city life.
這本書旨在涵蓋城市生活的各個方面。
例句：
Get everything in writing in order to cover your back.
一切都要立字爲據，以絕後患。
Water covers a large proportion of the earth's surface.
水覆蓋了地球表面的`大部分。
The book aims to cover all aspects of city life.
這本書旨在涵蓋城市生活的各個方面。
