淋巴细胞识别由主要组织相容性复合物（MHC）I或II类分子递呈的抗原肽片段。
T lymphocytes recognize antigenic peptide fragments presented by major histocompatibility complex(MHC) class I or class II molecules.
淋巴球有两个主要类型︰B细胞和T细胞，两类都源于骨髓中的干细胞，然后再流至淋巴组织。
The two primary types, B cells and T cells, originate from stem cells in Bone marrow and travel to lymphoid tissues.
淋巴球有两个主要类型︰B细胞和T细胞，两类都源于骨髓中的干细胞，然后再流至淋巴组织。
The two primary types, B cells and T cells, originate from stem cells in Bone marrow and travel to lymphoid tissues.
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