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a lymphocyte is ...
lymphocyte 是可数名词，单数前需加冠词 a/an。
A lymphocyte is a type of white blood cell.
淋巴细胞是一种白细胞。
淋巴细胞；淋巴球
先理解核心含义，再看它在真实句子里的用法。
淋巴细胞；淋巴球
a type of white blood cell that normally makes up about a quarter of the white blood cell count and increases during infection
A lymphocyte is a type of white blood cell.
淋巴细胞是一种白细胞。
多种白细胞中的任何一种,具有球形细胞核,存在于淋巴系统中,包括B细胞、T细胞和自然杀伤细胞。
Any of several types of white blood cell with a spherical nucleus occurring in the lymphatic system, including B cells, T cells and natural killer cells.
一种无颗粒白细胞,通常占白细胞总数的四分之一,感染时数量增加
an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
The lab report showed a higher than normal number of lymphocytes, which made the doctor suspect an infection.
化验报告显示淋巴细胞数量高于正常值，这让医生怀疑有感染。
In biology class, we looked at lymphocytes under a microscope to learn how they fight disease.
生物课上，我们在显微镜下观察淋巴细胞，了解它们如何对抗疾病。
A single lymphocyte can recognize many different kinds of invaders in the body.
一个淋巴细胞能识别体内多种不同的入侵者。
lymphocyte 是可数名词，单数前需加冠词 a/an。
A lymphocyte is a type of white blood cell.
淋巴细胞是一种白细胞。
复数形式可直接表示类别，谓语动词用复数。
Lymphocytes help fight infections.
淋巴细胞帮助抵抗感染。
名词作定语修饰另一名词时，通常用单数形式。
The doctor checked the lymphocyte count.
医生检查了淋巴细胞计数。
Not this
A high number of lymphocyte indicates infection.
Use this
A high number of lymphocytes indicates infection.
lymphocyte 是可数名词，在 a number of 等表示数量的结构后必须用复数形式 lymphocytes。
Not this
Lymphocytes are a type of lymph in the blood.
Use this
Lymphocytes are a type of white blood cell in the blood.
lymph 指淋巴液，lymphocyte 指淋巴细胞，二者含义不同；lymphocyte 是白细胞的一种，不能用 lymph 来指代细胞。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
B淋巴细胞
B lymphocytes produce antibodies to fight infection.
B淋巴细胞产生抗体以对抗感染。
T淋巴细胞
T lymphocytes play a central role in the immune response.
T淋巴细胞在免疫反应中起核心作用。
淋巴细胞计数
The doctor checked his lymphocyte count to assess his immune status.
医生检查了他的淋巴细胞计数以评估其免疫状态。
淋巴细胞增殖
Antigen stimulation leads to lymphocyte proliferation.
抗原刺激导致淋巴细胞增殖。
细胞毒性T淋巴细胞
Cytotoxic T lymphocytes destroy virus-infected cells.
细胞毒性T淋巴细胞破坏受病毒感染的细胞。
Use lymphocyte naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记 lymphocyte：lymph（淋巴）＋cyte（细胞），想象淋巴里一群免疫小兵，感染时数量增多。
语域：formal 常见场景：学术论文、医学教材、临床报告 该词为医学生物学专业术语，通常出现在学术文章、教科书和临床报告等较为正式的语境中；日常口语中较少使用。
Genuine rhyme group: parasite and leukocyte end in /əˌsaɪt/, and site and cite end in the same /saɪt/ sound as the target's final -cyte. Note the spelling: the target uses -cyte, not -site. Watch out for lookalikes: lymph (/lɪmf/) and lymphatic (/lɪmˈfætɪk/) share the beginning lymph- but sound different from the -cyte ending.
Dictionary facts from ECDICT, WIKTIONARY.