twinning

The vet said the twinning pregnancy was progressing well.

兽医说这次双胎妊娠进展顺利。

用法提示：twinning 是形容词，修饰 pregnancy，表示一次怀孕产下双胎。

Twinning goats usually deliver their kids without any problems.

怀双胎的母山羊通常能顺利产下小山羊。

用法提示：twinning 是形容词，修饰 goats，表示这些母山羊一胎产下两只幼崽。

Farmers need to prepare extra supplies for a twinning birth.

农民需要为双胎分娩准备额外的物资。

用法提示：twinning 是形容词，修饰 birth，表示分娩涉及两个胎儿。