调入的英文：
fold
He moved from being an extramural tutor to being a lecturer in social history.
他原先是一名校外辅导老师，后调入学校讲授社会史。
v. 折叠，对折；交叠；包；失败，垮台，关闭
n. 褶痕；褶皱；羊圈
Parallel fold: Folding a sheet with all the folds parallel to each other.
平行折:纸张的一折和前一折平行的折法。
Cross fold: A fold at right angles to the direction of the web.
横摺:与纸卷成直角的屈摺。
To coil or fold or cause to coil or fold in overlapping whorls.
卷绕(使)盘绕起来或(使)卷起成重叠的螺旋状物
A wrinkle, ripple, or fold.
皱纹，波状，褶痕
The flap folds down.
帽边可以折下。