英语词汇“placental barrier”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	placental barrier
释义	placental barrier noun : a semipermeable membrane made up of placental tissues and limiting the character and amount of material exchanged between mother and fetus
随便看	ups and downs upscale upscuddle upsee upsee-daisy upseeking upsend upset upset upset butt welding upset price upsetter upsetterman upsetting upsettingly upshift upshoot upshot upsidaisy upside upside upside-down upside down upside-down cake upside-downness

英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。