into/'ɪntʊ, -tə/

prep.

➊ to or toward the inside of (sth)

➋ becoming (a different thing)

prep.

➊ 到…里面；向…内部：He came into our classroom. 他走进我们的教室。

◇She jumped into the pool. 她跳进了池子里面。

➋ 变成：The frog suddenly turned into a prince. 青蛙突然变成了王子。

用法into是介词，而in to是“副词in + to do sth”，如：He walked in to see if Jane was there. 他走进去看简是否在。