Vieussen's annulus
[医] 维厄桑氏环
🧩 词语组成解析
n. 环, 环形物, 体环\\n[化] 环形缝; 环隙
🗣️ 情景例句
May I please speak to Ling Ling?
我可以和玲玲讲话吗？
What are you writing?
你正在写什么？
In the class there are two American girls. They are twins. Their names are Lily and Lucy.
在班上有两个美国女孩，他们是双胞胎，名字叫鲁茜、莉莉。