V-ERG
（使）（時間）延長；（使…）持續(xù)更長時間
When something lengthens or when you lengthen it, it lasts for a longer time than it did previously.
例句
Vacations have lengthened and the work week has shortened...
假期延長，工作周就縮短了。
The council does not support lengthening the school day to fit in other activities.
委員會不支持通過延長在校時間來插入其他活動。