Leukoplakia
n. [医] 黏膜白斑病
🔁 扩展释义
【医】 粘膜白斑病
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
The best (greatest) fish keep (swim near) the bottom.
好鱼游水底（指：有价值之物不能轻易得到）。
but rarely with bicycles made for two.
不过双人自行车则不容易看到。