On campaign
高中 Senior High从军,从戎,出征
🧩 词语组成解析
on
[ɑn]
prep. （表示方向）向;（表示对象）对;（表示位置）在…上;（表示时间）在…之时;
adv. （放，穿，连接）上;向前，（继续）下去;
adj. 活动着的情况，状态;使用着的;发生着的;计划中的;
🗣️ 情景例句
He is as poor as a church mouse.
他一贫如洗。
It was after dark when we got back,and we were all tired.
我们回来时天已经黑了，并且我们都很疲倦。
She watched TV for half an hour after supper. Then she started her homework.
晚饭后她看了半小时电视。然后她开始做家庭作业。