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汉语拼音：tāi shēng

属性词。人或某些动物的幼体在母体内发育到一定阶段以后才脱离母体，这种生殖方式叫做胎生。胎生动物的胚胎发育依赖母体的营养。

1. 受精卵在母体内发育，通过胎盘自母体获得营养，到一定阶段脱离母体，叫做胎生。人和大多数哺乳动物都是胎生。

   《礼记·乐记》：“胎生者不殰，而卵生者不殈。”《庄子·知北游》：“而万物以形相生，九窍者胎生，八窍者卵生。”按，佛教分众生为胎生、卵生、湿生、化生四类，称四生。

• Pubescence is often poorly developed or absent in proximal florets of viviparous spikelets.

  短柔毛是在胎生的小穗的下部的小花里的通常发育不良或无。

• Quite similar to that of mammals.

  有点儿近似于哺乳动物的胎生。

• Mammals is a constant temperature, vertebrates, the body has the hair, most are adopted, and by breast feeding offspring.

  哺乳类是一种恒温、脊椎动物，身体有毛发，大部分都是胎生，并藉由乳腺哺育后代。

• The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal.

  胎基本结构与成年动物相似的胎生脊椎动物未出生的幼子

• almost all mammals have to viviparous . all the young mammals are needed to breast-feeding.

  几乎所有哺乳动物都为胎生。所有的哺乳动物幼年都需要用母乳喂养。

• at all events, all viviparous animals have eyes, with the exception of the mole.

  无论如何，所有的胎生动物都有眼睛，除了鼹鼠。

• Almost half of Americans want their first child to be a boy, according to a new study.

  一项新研究发现，近半数美国人希望头一胎生的是男孩。

• placental Viviparous reproduction in which embryos are connected to their mother's blood supply by a placenta.

  胎盘的胎生的繁殖，胚胎与母亲的血液相连接，藉著胎盘供应养分。

• His second child was a daughter, Born strangely enough on the first day of the year.

  第二胎生了一位小姐，生在大年初一，这就奇了