例如，慢性粒细胞白血病(chronic myeloid leukemia)是一种血细胞癌症，其癌细胞中总会发生9号染色体与22号染色体之间部分的交换。

For example, patients with chronic myeloid leukemia, a blood cancer, nearly always have swapped pieces of chromosomes 9 and 22 in their cancer cells.

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例如，慢性粒细胞白血病(chronic myeloid leukemia)是一种血细胞癌症，其癌细胞中总会发生9号染色体与22号染色体之间部分的交换。

For example, patients with chronic myeloid leukemia, a blood cancer, nearly always have swapped pieces of chromosomes 9 and 22 in their cancer cells.

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