其同义词组可以有very significant，pretty important，very crucial等等

very important 意思是非常重要的

①very significant

Phosphorus is a very significant indicator that horses， large numbers of horses were being kept in the settlements.

磷是一个非常重要的指标，表明人们在定居点驯养了马，大量的马。

②pretty important

These are pretty important institutions， so， yeah， she definitely made headway for women artists.

这些都是相当重要的机构，所以，是的，她确实为女性艺术家们做出了贡献。