Endosteum
n. 骨内膜\\n[医] 骨内膜
🗣️ 情景例句
You speak English without an accent.
你说英语一点口音也没有。
One of these days,I'd like to take a vacation.
某天,我想度假。
Of course. And why not buy some English tapes and some books to go with them? I'm sure you'll find them useful.
当然了。干吗不买些英语磁带和与之配套的书呢？我相信你会觉得它们有用的。