harmful
adj. 有害的，造成伤害的
例句
Continuous exposure to sound above 80 decibels could be harmful.
持续曝露于超过80分贝的声音可能有害。
《柯林斯英汉双解大词典》
Water is not an effective shield against the sun's more harmful rays.
水不能有效阻挡太阳中更有害的射线。
《牛津词典》
Tears help to protect the eye from potentially harmful foreign bodies.
眼泪有助于保护眼睛去除可能有害的异物。
