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(yáng)起翅膀時(shí)，真是夠小心的了。 - He couldn't be careful enough on that upstroke.
舉翅真是個(gè)難題，他怎么當(dāng)心都不行。 - Be sure to ventilate on the upstroke.
要明確吹氣是在手抬起時(shí)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(dá)到零，電位梯度即不再存在。