We had to write a composition on the subject "My Pet."
我们得就“我的宠物”这个主题写一篇作文。
《柯林斯英汉双解大词典》
2
Television has transformed the size and social composition of the audience at great sporting occasions.
电视改变了大型体育赛事观众的数量及其社会构成。
《柯林斯英汉双解大词典》
3
Extracting information about the large-scale composition of a planet from a sample weighing a millionth of a gram was a fascinating example of scientific endeavour.