替换词有:critical, key,crucial,significant,都表示重要的意思,例如:
1、Accurate measurement is very important in science.在科学领域,精确的测量非常重要。
2、The orchestra is very important for the cultural life of the city.管弦乐队对这座城市的文化生活而言非常重要。
3、It's very important to me that you should be there.你应该到场,这对我很重要。