Ebur dentis
[醫] 牙質, 牙本質
?? 詞語組成解析
象牙
??? 情景例句
What about your arms? Lift your arms up like this.
你胳膊怎么樣?手抬起來， 像這樣。
How much do you want to change?
您想兌換多少？
How many would you like to order?
您要訂多少？