impetus 六级考研雅思托福GREGMAT专八

The treaty gave a fresh impetus to trade.

这条约使双的贸易又推进了一步。

This is the primary impetus behind the economic recovery.

这是促使经济复苏的主要动力。

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

这条约将促进两国间的贸易。

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入了活力。