Phosphoranetriyl
正膦次基
??? 情景例句
I'd never been away from home,
我從來沒有離開過家，
My right arm hurts. It hurts right here.
我的右手臂受傷。 它恰好受傷在這里。
After that they pressed a piece of paper on top, and printed a whole page of a book.
然后，再把一張紙壓在上面，就印出了一整頁書。