This recessive disease was first identified in the Amish, one in 19 of whom carries a copy of the defective gene, which causes an unusual kind of dwarfism.是什么意思_This recessive disease was first identified in the Amish, one in 19 of whom carries a copy of the defective gene, which causes an unusual kind of dwarfism.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句