Arcus dentalis
[医] 牙弓, 齿弓
🧩 词语组成解析
[医] 弓
🗣️ 情景例句
Fine. And you?
很好。你怎么样？
What's the longest river in the United States?
在美国最长的河是什么？
After putting it on, Mrs.Richards went downstairs.
理查兹夫人穿上化装服后下了楼，