They climb ladders to enter some of the caves that were homes centuries ago.

VOA: special.2010.07.05

We have some students who enter on an athletic team and stay all four years with that team.

有些学生是因为体育特长,而被录取，而且大学四年,仍然从事那项体育活动。

普林斯顿公开课 - 人性课程节选

Some students get jobs in the field they hope to enter after college.

VOA: special.2010.06.18

Goolsbee says recent indicators showing improvement in some sectors of the U.S.economy are encouraging Americans who had stopped looking for work to re-enter the job market.

VOA: standard.2009.06.07