你把管子的另一头堵上好不好?
最后,让狗闻管子的气味。
用砂布把管子的两头打磨干净。
It is a glass tube. He wants to narrow the light so he puts a couple of slits here.
这是根玻璃管子,他想要减少光的发散,所以在这里开了几个口子。
He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.
那是个装满了氢原子并含有电极的管子,通过增加一个电压,他让气体燃烧起来了。
Then here's the favorite of all time, vacu-pants, attached via the hose to your vacuum cleaner.
这是最受喜欢的,真空裤法,需要与真空吸尘器的管子相连
应用推荐