whereby引导什么从句
例句
Lets look at three interesting cases whereby we go to extremes.
我们看三个有趣的例子，我们要走极限。
A system whereby a new discovery may arise.
由此可能产生新发现的体系。
Insurance Any plan whereby employees are covered when they can\'t work.
保险当员工不能工作时享受的.保险计划。
Whereby the world that then was, being overflowed with water, perished.
故此，当时的世界被水淹没就消灭了。
Now I want to continue a case whereby I have a completely elastic collision.
我要继续此例，我有一个完全弹性碰撞。