Pleuramnion
体壁羊膜
🗣️ 情景例句
We need to bring a flashlight.
我们需要带一个手电筒。
What time did you get up yesterday morning?
你昨天早上什么时间起床？
The Scandinavian countries are much admired all over the world for their enlightened social policies.
斯堪的纳维亚半岛各国实行开明的社会政策，受到全世界的推崇。