If you had a motor here that was causing a paddle tomove up and down you could cause waves to form at one end of the tank and move from left toright.
如果这里有一个马达,使桨上下移动,就可以在水槽的一端形成波浪,从左到右扩散。
2
Maintain friendships. In this world right now, there is a great tendency tomove you to one side or the other, and be in conflict.
维持友谊。现在在这个世界上,有一个很大的趋势把你移到一边或另一边,并处于冲突中。
3
All right folks, let's continue our discussion of alternative energy sources and move on to what's probably the most well-known alternative energy source—solar energy.