1、Phocomelia is a rare congenital disorder in which the limbs are underdeveloped or absent.
四肢发育不全是一种罕见的先天性疾病。

2、The use of thalidomide during pregnancy has been linked to cases of phocomelia.
孕妇在妊娠期间使用沙利度胺与四肢发育不全的案例有关。