大家都搜：
它黑得很快
1、is it black───它是黑色的吗
2、fast fast───快！快
3、get it fast───快来吧
4、it moves fast───它移动得很快
5、black it up───把它弄黑
6、it is fast───它很快
7、it black───它是黑色的
8、black it out───把它关掉
9、fast───n.斋戒；绝食；n.(Fast)人名；(德、英、俄、芬、捷、瑞典)法斯特；adj.快速的，迅速的；紧的，稳固的；adv.迅速地；紧紧地；彻底地；vi.禁食，斋戒
1、The drain was a big black hole, and the water went through it very fast, making a loud noise.───这个排水管是一个大黑洞，水在排水管中湍急地流过，发出很大的声响。
2、Now is the time, my descendants, fast from the other side of the black hole came to this new world it belongs to you!───现在已经是时候了，我的后裔们，快从黑洞的另一头来到这个属于你们的新世界吧！
3、Because black carbon has a short lifetime, if you can remove it, you can have a fast climate impact, Jacobson said.───因为黑碳寿命很短，一旦将其消除，就可以迅速对气候产生影响，”雅各布森说。