Subject + 易 + Verb
易 (yì) is an adjective meaning "easy" or "prone to." When placed before a verb, it indicates that something is likely to happen or susceptible to a certain condition. It is more literary than 容易 and is common in formal writing, as in 易发生 (prone to occur).
玻璃制品易碎,搬运时要小心。
Bōli zhìpǐn yì suì, bānyùn shí yào xiǎoxīn.
Glassware is fragile, so be careful when handling it.
这种材料易燃,不能放在火源附近。
Zhè zhǒng cáiliào yì rán, bù néng fàng zài huǒyuán fùjìn.
This material is flammable and must not be placed near a fire source.
高温天气下食物易变质,要放进冰箱。
Gāowēn tiānqì xià shíwù yì biànzhì, yào fàng jìn bīngxiāng.
Food spoils easily in hot weather and should be put in the refrigerator.