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汉语拼音：xì bāo

生物体的结构和功能的基本单位。形状多种多样。一般具有细胞核、细胞质和细胞膜。植物细胞的细胞膜外还有细胞壁。细胞一般很微小，用显微镜才能见到。

1. 生物学名词。构成生物体的基本单位。体形极微，在显微镜下始能窥见。形状多种多样。主要由细胞核与细胞质构成，表面有薄膜。动植物细胞结构大致相同。植物细胞质膜外有细胞壁，细胞壁中常有质体，动物细胞质中常有中心体，而高等植物细胞中则无。细胞有运动、营养和繁殖等机能。

• The device can discriminate between the cancerous and the normal cells.

  这台仪器可以辨别癌细胞和正常的细胞。

• Lung cells die and are replaced about once a week.

  肺细胞约每周新老更替一次。

• Cells divide and renew as part of the human growth process.

  细胞不断地分裂更新，这是人体发育过程的一部分。

• Protein molecules compose all the complex working parts of living cells.

  活细胞中所有复杂的运行成分都由蛋白质分子构成。

• Those cells divide and give many other different types of cells.

  那些细胞分裂，产生出许多不同种类的细胞。

• The technique consists of injecting healthy cells into the weakened muscles.

  该技术是把健康细胞注射到衰弱的肌肉里面。

• These are the cells that directly attack and kill micro-organisms.

  这些细胞可以直接攻击和杀死微生物。

• The cells will promptly start to soak up moisture.

  细胞会立即开始吸收水分。

• The monkeys had been immunized with a vaccine made from infected cells.

  这些猴子已经注射了由受感染的细胞培养而成的疫苗。

• These may bind to receptor molecules on the surfaces of cells.

  这些可能会在细胞表面和受体分子结合在一起。

• Radiation may damage cells in a way that was previously unforeseen.

  辐射可能以一种我们过去未能预见到的方式破坏细胞。

• Increasing gravity is known to speed up the multiplication of cells.

  我们知道不断增加的引力会加速细胞的分裂。

• Smoking triggers off cell proliferation.

  吸烟会引起细胞增生。

• This stops the cells from growing abnormally.

  这阻止了细胞畸形发育。

• Cells are being constantly renewed.

  细胞不断再生。