Vasodentin
[医] 血管性牙质
🗣️ 情景例句
Of course. It's on the fifth floor of Building No.4. Let's go there.
当然可以。展室在四号楼五层，我们上去吧。
What time does the plane take off?
飞机何时起飞呢？
'Oh, that,' said the Ambassador.
“那个嘛，”大使说，