Polonide
[化] 钋化物
🗣️ 情景例句
Susan called early this morning. Susan
一大早打电话来。
I work hard all morning.
我整个早上努力工作。
punctuated by textbooks----those purchasable wells of wisdom----
并以教科书-那些可以买到的智慧源泉-予以强化，