具体来说，1900年代之前，气温基本上维持平稳，之后突然快速上升，就像向上翻转的曲棍球杆头一样。
Specifically, temperature remains essentially flat until about 1900, then shoots up, like the upturned blade of a hockey stick.
当翼龙走路或静止时，第四指及其翼，只能向上翻转，成一个伸展且内翻的V型，在其身体两侧。
When a pterosaur walked or remained stationary, the fourth finger, and with it the wing, could only turn upward in an extended inverted V-shape along each side of the animal's body.
相反地，如果原子吸收了这种波长的光子，电子将会翻转自旋向上。
Conversely, if the atom absorbs a photon of this wavelength, the electron will flip up.
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