Placentome
胎盘及其附属物
🗣️ 情景例句
They're very kind to the animals.
他们照料动物很细心的。
Civility costs nothing.
礼貌不须什么代价。
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，