placentaKK [pləˋsɛntə] /pləˈsɛntə/發音名詞1胎盤The placenta supplies the growing baby with oxygen and nutrients.胎盤為成長中的胎兒提供氧氣和養分。2胎座植物學In this species, the seeds are attached to a fleshy placenta.這個物種的種子附著在肉質的胎座上。