1
a follicle is [noun]
follicle 是可数名词，单数形式前常用不定冠词 a/an；下定义时常用此句型。
A follicle is a small spherical group of cells containing a cavity.
滤泡是一小群含有一个空腔的球形细胞。
滤泡；小囊；卵泡
follicles — plural of follicle
先理解核心含义，再看它在真实句子里的用法。
滤泡；小囊；卵泡
any small spherical group of cells containing a cavity
A follicle is a small spherical group of cells containing a cavity.
滤泡是一小群含有一个空腔的球形细胞。
小腔或囊,如毛囊。
A small cavity or sac, such as a hair follicle.
含有空腔的小细胞团
any small spherical group of cells containing a cavity
某些开花植物产生的一种原始干果。
A type of primitive dry fruit produced by certain flowering plants.
Each hair on your head grows from its own follicle under the skin.
你头上的每根头发都从皮肤下的毛囊中长出。
A healthy scalp keeps your hair follicles strong and active.
健康的头皮能让你的毛囊保持强壮和活跃。
The dermatologist explained that the follicle swells when it becomes blocked.
皮肤科医生解释说，毛囊堵塞时会肿胀。
follicle 是可数名词，单数形式前常用不定冠词 a/an；下定义时常用此句型。
A follicle is a small spherical group of cells containing a cavity.
滤泡是一小群含有一个空腔的球形细胞。
follicles 是复数形式，作主语时谓语动词用原形；contain 是及物动词，后直接接宾语。
Follicles contain cavities.
滤泡含有空腔。
Not this
There are many follicle in the skin.
Use this
There are many follicles in the skin.
follicle 是可数名词，汉语没有复数标记，但英语中 many 后必须用复数形式 follicles。加 -s 后数量一致，句子才符合英语语法。
Not this
Follicle is a small spherical group of cells.
Use this
A follicle is a small spherical group of cells.
follicle 是可数名词单数，作主语表示类指时不能没有限定词；用不定冠词 a 构成 a follicle，表示“一个/任一滤泡”，符合定义句的语境。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
毛囊
Each hair grows from a tiny hair follicle under the skin.
每根头发都从皮肤下的小毛囊中长出。
卵巢滤泡
An ovarian follicle releases an egg during ovulation.
卵巢滤泡在排卵时释放一个卵子。
促卵泡激素
Follicle-stimulating hormone plays a key role in reproduction.
促卵泡激素在生殖过程中起着关键作用。
甲状腺滤泡
Thyroid follicles store the hormones produced by the thyroid gland.
甲状腺滤泡储存甲状腺产生的激素。
格拉夫卵泡
A Graafian follicle is a mature ovarian follicle ready to release an egg.
格拉夫卵泡是成熟的卵巢滤泡，准备释放卵子。
Use follicles naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
follicle 里有两个 l，像小囊里排排站的小泡，记住它是滤泡/小囊。
语域：formal 常见场景：解剖学、医学、生物学 通常用于医学或生物学语境，属于专业术语；日常口语中较少使用。
复数形式为 follicles。
Dictionary facts from ECDICT, WIKTIONARY.