To ulcerate is for a place on the body to break open and become an ulcer — a raw, open sore that does not heal in the normal quick way.

To ulcerate ulcerate is是 for a place on the body身體上的某個地方 to break open and become an ulcer破開、變成一個潰瘍 — a raw, open sore一個沒好、還開著的生瘡 that does not heal in the normal quick way沒有正常那樣快快癒合

It is used about skin (a leg that has been swollen for years may ulcerate) and about the inside of the body (the lining of the stomach can ulcerate). The word does not mean 'to hurt' or 'to get infected'; it means the tissue actually breaks down and stays open.

It is used about skin它用在皮膚上 (a leg that has been swollen for years may ulcerate)（腫了多年的一條腿可能會ulcerate） and about the inside of the body也用在身體內部 (the lining of the stomach can ulcerate)（胃壁可能會ulcerate） The word does not mean 'to hurt' or 'to get infected'這個字不是指「痛」或「感染」 it means the tissue actually breaks down and stays open它是指組織真的破裂、而且持續開著

This is a medical word. Doctors, nurses and medical writing use it; ordinary people almost never say it in conversation — they say 'it turned into an ulcer' or 'it opened up'.

This is a medical word這是個醫學用字 Doctors, nurses and medical writing醫生、護理師和醫學文獻 use it會用它 ordinary people一般人 almost never say it in conversation幾乎不會在對話裡這麼說 they say他們會說 'it turned into an ulcer' or 'it opened up''它變成潰瘍了'或'它破了'

You will meet it most often as the participle 'ulcerated' (an ulcerated leg) or the noun 'ulceration'. It is usually intransitive: the wound ulcerates, the tissue ulcerates.

You will meet it most often你最常會遇到它 as the participle 'ulcerated'以分詞'ulcerated'的形式 (an ulcerated leg)（一條潰爛的腿） or the noun 'ulceration'或名詞'ulceration' It is usually intransitive它通常是不及物動詞 the wound ulcerates傷口ulcerates the tissue ulcerates組織ulcerates

Occasionally, in formal medical writing, you see it used the other way — a drug or a disease ulcerates the lining — meaning it causes the ulcer.

Occasionally, in formal medical writing偶爾，在正式醫學文獻裡 you see it used the other way你會看到反過來用 — a drug or a disease ulcerates the lining藥物或疾病ulcerate了內壁 — meaning it causes the ulcer意思是它造成了潰瘍

Very rarely, older or literary writing stretches it to feelings: a grief that ulcerates, meaning something that sits inside and slowly eats away. Students will almost never need that use, but if you meet it in a novel, that is what is happening.

Very rarely, older or literary writing非常少見地，較老或文學性的寫作 stretches it to feelings會把它延伸用到感受上 a grief that ulcerates一種ulcerate的悲傷 meaning something that sits inside and slowly eats away意思是某種東西留在心裡、慢慢侵蝕 Students學生 will almost never need that use幾乎不會需要用到這個用法 but if you meet it in a novel但如果你在小說裡遇到它 that is what is happening那就是在講這件事