upstroke
基本解釋
- n.向右上挑的筆跡
英漢例句
- He couldn\’t be careful enough on that upstroke.
他揚起翅膀時,真是夠小心的了。 - He couldn't be careful enough on that upstroke.
舉翅真是個難題,他怎么當心都不行。 - Be sure to ventilate on the upstroke.
要明確吹氣是在手抬起時吹入的。 - HHO on the upstroke, not downstroke.
主題: Wow; are physicists ever stupid. - During the course of the upstroke, the membrane potential attains zero, and an electrical gradient no longer exists.
在升支發(fā)展過程中,膜電位一達到零,電位梯度即不再存在。