Thereinto
adv. 进入其中, 往其中
✅ 同义词
🗣️ 情景例句
He's a little quiet.
他有点沉静。
He who rides a tiger is afraid to dismount.
骑虎者难下。
I'm very sorry. I borrowed a book from the library two weeks ago.
“很对不起。两周前我从图书馆借了一本书。