Erichsen's sign
[医] 埃里克森氏征(检骶骼疾患)
🧩 词语组成解析
🗣️ 情景例句
Have you made the music arrangements?
音乐安排好了吗？
How many pieces are you going to buy?
你要买几个？
I have a lot in common with my sister.
我和我姐姐有很多相同之处。