Osteon
n. [医]骨单位(密质骨构造的基本单位)
🗣️ 情景例句
I'm so sad to see this little dog without her family.
看到这只狗没有家 我真难过。
I asked him to stop, but he wouldn't.
我请他停止，但是他不肯。
How did you find the talk this morning?
你觉得今天早晨的报告怎么样？