A birth defect in which the upper portion of a limb is absent or poorly developed,so that the hand or foot attaches to the body by a short,flipperlike stump.是什么意思_A birth defect in which the upper portion of a limb is absent or poorly developed,so that the hand or foot attaches to the body by a short,flipperlike stump.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句