Leukemia
白血病lu-KE-me-ah
释义:from Greek leukos "clear, white" (from PIE root *leuk- "light, brightness") + haima "blood" (see -emia)
Malignant overgrowth of immature white blood cells; may be chronic or acute; may affect bone marrow (myelogenous leukemia) or lymphoid tissue (lymphocytic leukemia)