harmful to 同義詞組

be harmful to=be bad for。

【擴充套件資料】be harmful to 有害於

例句：1、Fruit juices can be harmful to children's teeth. 果汁可能損壞兒童的牙齒。

2、Radon is known to be harmful to humans in large quantities 眾所周知，大量的氡會對人體造成傷害。

3、Cigarette smoke is also harmful to people's health. 香菸的煙霧對人們的健康同樣有害。