学习资料
[意 思]vt. 修剪,整理
[例]  He trimmed his hair carefully. 他仔细修剪头发。
vt. 装饰,布置
[例]  The children were trimming up a Christmas tree.
孩子们在装饰圣诞树。
vt. 改变,修改(意见,政策等)
[例]  Sometimes it is necessary to trim those policies.
有时需要改变原先制定的那些政策。