Placentotoxin
胎盘毒素
🗣️ 情景例句
Couldn't we wait until I'm famous?
难道不能等到我成名了再说吗
A strong grip was necessary to hold onto the large dog.
若要牵住大狗，必须用力握住皮带。
This rabbit had no natural enemies in the Antipodes,
这种兔子在澳大利亚及新西兰没有天敌，