harmful

🇬🇧/ˈhɑːmf(ə)l/ 🇺🇸/ˈhɑːrmf(ə)l/📚 5891 73 2四级六级托福雅思高考
Something that is harmful has a bad effect on something else, especially on a person's health. (尤指对健康) 有害的

adjective [原级]有害的,造成伤害的

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。

harmful

-ful ⌜ 表示满量的 - indicating full of or characterized by ~ ⌟
harm(伤害) + ful(形容词后缀) → 有害的
单词造句:
网友用“Harmful”造句精选
...the harmful effects of smoking. …吸烟的危害。
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。
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。