NK cells kill their target cells by releasing cytotoxic granules in their cytoplasm directly into the target cell.

NK细通过释放质内的细毒颗粒直接进入靶细内，来杀死靶细。

They can also be cytotoxic, meaning that they will kill cells of said foreign body.

T细们也会产生细毒性(Cytotoxic)，将前述的外来细消。

Chemotherapy drugs are delivered through pills and injections and use " cytotoxic agents, " which means compounds that are toxic to living cells.

化疗药物通过药丸服用或者进入体内，并要使用“细毒剂”——这是一种对活细有毒的化合物。

In the thymus, these precursor T-cells mature and express either CD4 on helper T-cells or CD8 on cytotoxic T-cells sometimes known as suppressor T cells.

胸腺中，这些前体T细在成熟后，分化为辅助T细在细表面表达CD4，或分化为细毒性T细（有时被称为抑制T细）在细表面表达CD8。

Some T cells (T8 cells) are cytotoxic or killer cells; they act directly on cells bearing antigen (tumor cells and tissue transplanted from an organ donor).

一些T细（T 细）是细毒性或杀伤细;它们直接作用于携带抗原的细（肿瘤细和从官供体移植的组织）。