One pupil complained in a composition that his father always left so much smoke in the living room that he couldn't do his homework there.

一个学生在一篇作文中抱怨说，他的父亲总是在客厅里留下很多烟雾，以致于他无法在那里做作业。

youdao

My father was writing a composition in the study room.

我的父亲是在书房写一篇作文。

youdao

The relations among composition, casting methods, room-temperature properties and elevated temperature properties of magnesium alloys are summarized systematically.

系统地总结了各类铸造镁合金的成分、铸造方式与其高、低温力学性能之间的关系。

youdao

Before Mr. Adolphe could correct the music, however, Mr. Ma decided to rehearse the composition in his dorm room.

WSJ: Jonah Lehrer on How to Be Creative