1.via v. 经过；通过，凭借

例句：The technology to allow relief workers to contact the outside world via satellite already exists.
能够让救援人员通过卫星与外界联系的技术已经存在FF_0=JTozQ[.l*-QZ。

2.employ v. 使用；采用

例句：The tactics the police are now to employ are definitely uncompromising.
警方目前即将采取的策略明显很强硬~x@9aS8XqVJa0ooeS*。