impetus 六级考研雅思托福GREGMAT专八

The treaty gave a fresh impetus to trade.

这条约双的贸易又推进了一步。

This is the primary impetus behind the economic recovery.

这经济复苏的要动力。

The treaty will give an impetus to trade between the two countries.

这条约将进两国间的贸易。

The current development of simulated, moving bed and fixed-bed modeling have given a new impetus to molasses desugarization by ion exclusion.

模拟流动床及固定床的改进为离子排斥法提糖注入了活力。