Amniotic villus
[医] 羊膜绒毛
🧩 词语组成解析
a. 羊膜的\\n[医] 羊膜的
n. 绒毛, 长柔毛\\n[医] 绒毛
🗣️ 情景例句
I didn't have the heart to tell her that she was not chosen.
我没有勇气告诉她说她没有入选。
Provide for the worst, the best will save itself.
作最坏的准备，可以得到最好的结果。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。