上课的时候老师或者班上喊stand up代表 起立站起来 也有支持的意思1 : to rise to a standing position
2 : to remain sound and intact under stress, attack, or close scrutiny
transitive verb
: to fail to keep an appointment with
— stand up for : to defend against attack or criticism
— stand up to
1: to meet fairly and fully
2: to face boldly
— stand up with : to be best man or maid of honor for at a wedding ceremony1.起立,站立
2.向上升起
3.经久耐用,站得住脚,经得起严格检查
4.对...失约,未如约与...见面
5.毁弃与...的婚约,不再与...恋爱