Researchers have still to decide whether smell is one sense or two—one responding to odours properly and the other registering odourless chemicals in the air.
2
新时期以前的中国当代文学成了掉队者。
The Chinese modern literature before the new period became break the ranks.
3
很多转学申请者的大学成绩记录上都有一些瑕疵。
A lot of transfer students have a few blotches on their college records.