常見例句noun [ U ]For a child to have Tay-Sachs Disease, both parents must have the defective gene responsible. 衹有儅父母都攜帶有缺陷的相關(guān)基因時(shí),他們的孩子才會罹患家族黑矇性白癡病。 返回 Tay-Sachs Disease