Osteo
[医][=osteologist]骨骼学家
🗣️ 情景例句
The longer the words the better.
单词越长越好。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
I have a letter of introduction here.
我这儿有一封介绍信。