White blood cells, also called WBCs or leukocytes and platelets.

白细胞，也叫 WBCs 或白细胞和血小板。

Now, it's time to meet the soldiers - which are the white blood cells or leukocytes.

现在是时候来检阅士兵们了——我们的白细胞。

And your white blood cells, or leukocytes that scour your circulatory system fighting off infection, they're connective tissue cells, too.

你的白细胞，或者说白细胞在你的循环系统中抵抗感染，它们也是结缔组织细胞。

Diagnosis of TSD is done by determining the activity of HEX A in serum, leukocytes, tears, or any other body tissue.

Tay-Sachs病的诊断可通过测定血清、白细胞、泪液或其他组织中HEX-A的活性做出。

Leukocytes are mainly responsible for protecting the body from bacteria and other potential harmful foreign substances.

白细胞主要负责保护身体免受细菌和其他潜在的有害外来物质的危害。

One really important group of genes involved in regulation of the immune response is the human leukocyte antigen system, or HLA system.

一组涉及调节免疫反应的重要基因叫作人体白细胞抗原系统，或HLA系统。

That means relying on many different types of leukocytes to tackle threats in different ways.

这意味着依靠许多不同类型的白细胞以不同的方式应对威胁。

Our bodies are teeming with leukocytes: there are between 4,000 and 11,000 in every microliter of blood.

我们的身体充满了白细胞：每微升血液中有 4, 000 到 11, 000 个白细胞。

As they move around, leukocytes work like security personnel, constantly screening the blood, tissues, and organs for suspicious signs.

当它们四处移动时， 白细胞就像安保人员一样工作，不断检查血液、组织和器官是否有可疑迹象。

Despite this diversity, we classify leukocytes in two main cellular groups, which coordinate a two-pronged attack.

尽管存在这种多样性， 我们仍将白细胞分为两个主要细胞群，它们协调双管齐下的攻击。