Placenta hominis
[医] 紫河车
🧩 词语组成解析
placenta
[plə'sentə]
n. 胎盘，胎座;
🗣️ 情景例句
All right. Please hold two orchestra seats for us.
好，请帮我们保留两张前排的座位。
Take it back!
把那句话给我收回去！
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。