1.Led by 由...主导
例句:He didn't like to be led by the nose.
他不愿让人牵着鼻子走 。
2.looked at 看
例句:He looked at me in blank amazement.
他带着迷茫惊诧的神情望着我 。
3.breast cancer 乳腺癌
例句:The incidence of breast cancer increases with age.
乳腺癌的发病率随着年龄的增长而增高 。
4.across the world 世界各地
例句:Across the world, the spread of AIDS is extremely critical.
在世界范围内,艾滋病漫延的形势十分严峻 。