Sebaceous is a doctor’s and biology-class word. It talks about the parts of the body that make oil for the skin.

Sebaceous sebaceous皮脂的 is a doctor's and biology-class word是醫生和生物課會用的詞。It talks about the parts of the body它講的是身體的部位 that make oil for the skin會為皮膚製造油脂的部位。

Your skin has tiny glands that squeeze out an oily stuff; those are sebaceous glands, and the oil itself is called sebum. That oil helps keep skin from drying out, though too much of it can make the face look shiny or help pimples form.

Your skin has tiny glands你的皮膚有小小的腺體 that squeeze out an oily stuff會擠出油油的東西 those are sebaceous glands那就是皮脂腺 and the oil itself is called sebum而那個油本身叫做皮脂。That oil helps keep skin from drying out那個油能幫皮膚不乾燥 though too much of it can make the face look shiny or help pimples form不過太多的話會讓臉看起來油亮，或助長長痘痘。

You will almost never hear sebaceous in daily chat — people just say oily skin.

You will almost never hear sebaceous in daily chat日常聊天幾乎不會聽到sebaceous這個詞 people just say oily skin大家就直接說oily skin皮膚出油。

It comes from Latin sebaceus, from sebum, meaning tallow or grease, plus an ending that means “of that kind.” A very old root of that Latin word is also the source of English soap, which fits in a rough way: both have to do with grease and the skin.

It comes from Latin sebaceus它源自拉丁文sebaceus from sebum來自sebum meaning tallow or grease意思是油脂或油 plus an ending that means 'of that kind.'加上一個表示'那一類的'字尾 A very old root of that Latin word is also the source of English soap那個拉丁字更古老的字根也是英文soap肥皂的來源 which fits in a rough way這大致上算是吻合 both have to do with grease and the skin兩個字都跟油脂和皮膚有關。