[ necessitation ]的过去式;[ necessitate ]的过去式;[ necessitating ]的过去式
- "As the education reform is necessitated by changes in economy and society, teachers should be helped to adjust their mindset accordingly."
既然这是整个经济模式和时代带来的变革,还要照顾的是教师本身面对这场大调整的心理。收藏 - This job necessitated a knowledge of stenography and typewriting, which she soon acquired
这工作需要会速记和打字,她不久便学会了。收藏 - A BomB scare that necessitated evacuating the Building.
对炸弹的恐惧使撤离这座建筑物成为必要收藏
开心词场背单词

