Medulla ossium gelatinosa
[醫(yī)] 膠骨髓
?? 詞語組成解析
medulla
[mi'd?l?]
n. （拉丁語）骨髓;
[醫(yī)] 膠狀質
??? 情景例句
When do you need the money?
你什么時候需要錢？
I'm sorry. I'm engaged now.
對不起，我現(xiàn)在正忙著。
I think she must be injured.
我想她一定受傷了。