upward course的意思|示意

The artery connected to the right ventricle can be positively identified as the aorta by observing its long upward course.

主动脉与右心室相连，通过观察主动脉向上的较长走形明确肯定。

Many people seem to assume that once the recession has finished, property prices can resume their traditional upward course.

许多人似乎默认一旦衰退结束，房产价格便会重回传统上升通道。

One also has to make the assumption that hands were stenciled palm downward—a left hand stenciled palm upward might of course look as if it were a right hand.

我们不得不做出一种假设：双手是手掌朝下被印刷出来的，而手掌朝上印刷出来的左手看起来必定会像一只右手。