1.stand for 代表;支持;象征;忍受
例句:I am not going to stand for that kind of behaviour.
我再也不能容忍那种行为了。
2.seek to 寻求;争取;力图
例句:He would indeed seek to patch things up.
他一定会设法把事情加以补救。
3.medieval era 中世纪时期
例句:Now in the medieval era, the catapult is being replaced by newer and more powerful weapons.
中世纪战场上,这种古老攻城武器逐渐为威力更大的新式武器所取代。
4.significant event 重大事件;有意义的事件
例句:The May 4th Movement is a significant event in Chinese history.
五四运动是中国重要的历史事件。