Pimples are caused by blocked skin pores
毛孔堵塞导致的pimple
Zits are caused by clogged oil and melanin glands in the skin.
皮肤中的黑色素腺体和油脂堵塞导致的zit

Emma stated that breakouts on the cheeks are often linked to irritation in your lungs.
艾玛说，脸颊上爆痘与肺部炎症有关。
These breakouts can hit during major hormonal moments such as when you're a teenager, during your period and possibly during changes in your 20s and 30s.
在青少年时期、经期以及二三十岁之间等激素分泌旺盛的年龄，痘痘可能会在下巴大爆发。