4.Many drugs exist, like benzoyl peroxide, which kills specific acne-causing bacteria, salicylic acid, which helps to remove dead skin blockages, retinoids, which reduce sebum production, and a variety of others —though some drugs can have severe side effects.
前有许多药物,像是过氧化苯甲酰,那能消灭特定的致痘细菌,水杨酸,有助去除死皮造成的阻塞,维他命 A 酸,那能减少皮脂生成,还有其它许多药物--不过有些药物可能会造成严重副作用。
「AsapSCIENCE - Human」评价该例句:好评差评指正