Or you can buy stands that hold your laptop vertically; some let you adjust the height and Angle.
你也可以买个支架，把你的笔记本电脑垂直放置，有些支架还可以调整高度和角度。
2
Surfers Point, Margaret River, Australia - Located in a relatively isolated region some three hours south of Perth, This amazing spot can hold waves up to an incredible height of up to 15 feet.
Combination use of the oblique Shockwave induced by the leading edge of the half height strut and hydrogen pilot flame can also ignite the kerosene and hold the combustion stably.