placentas

placentas读音音标

[pləˈsentəz]

placentas意思解释

n.

胎盘，胎座( placenta的名词复数 )；

英英释义

n.

that part of the ovary of a flowering plant where the ovules form

the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus

词组短语

human placenta

placenta previa

placenta accreta

双语例句

用作名词(n.)Earlier studies linked the placenta to the disease.早期的研究认为，该病与胎盘有关。Methamphetamine passes through the placenta and is secreted in the breast milk.甲基苯丙胺通过胎盘分泌在母乳中。Starch grains present in the embryo sac and placenta are utilized by the embryo.存在于胚囊和胎座中的淀粉粒为胚胎所利用。