1. It may have been because curiosity attracted them and because the scent of a possible meal attracted the sharks.
    那么它们可能是出于好奇；而鲨鱼可能是闻到了可以美食一顿的香味。

2. The hounds lost the scent of the fox.
    这些猎犬失去了狐狸的臭迹.

3. Modern roses have no scent.
    现在的玫瑰不香.

4. Roses have a distinctive scent.
    玫瑰花有种特殊的香味。