您要查找的是不是：
- Have not evolved fast enough 发展得不够快
- I might have been trapped in the fire if I had not run away fast enough. 要不是我跑得快,我也许陷入大火之中了。事实上并未陷入大火。
- The theory fails to explain why animals have not evolved wheels of dead tissue with no need for arteries and nerves. 这种理论无法解释为何动物没有进化出由死组织构成的而无需动脉和神经的轮子。
- Mutations provide the vital raw material for natural selection, so if the mutation rate is too low a population will not be able to evolve fast enough to keep up with environmental changes. 公孔雀大且华丽的尾巴也许会吸引母孔雀的注意力，但是拖着条沉重又惹眼的花尾巴降低了他们的生存机会。
- Senator Biden went on to say he agrees with the White House that Mr.ElBaradei has not moved fast enough on Iran's nuclear intentions. 拜登参议员承认，在伊朗的核计划问题上，巴拉迪的行动不够果断。
- Why have rats not evolved bony wheels, similar to roller skates? 为什么老鼠没有进化出类似于滑轮溜冰鞋的骨质的轮子呢?
- He ran fast enough to catch the thief. 他跑得飞快，足以抓住那小偷。
- We have not enough food to eat because of the drought. 因为旱灾，我们没有足够的食物可吃。
- ElBaradei has not moved fast enough on Iran's nuclear intentions.He said he cannot confirm any wiretaps have occurred, but urged the Bush administration not to follow that path. 他说，他无法证实窃听事件是否真有发生，但是他敦促布什政府不要采取这种做法。
- I am afraid you have not appreciated the urgency of the matter. 恐怕你还没有意识到这件事的紧迫性。
- I have not a good hand the whole rubber. 整个一盘牌中我就没有拿到过一手好牌。
- Even though the rodent brains had not evolved to use these signals, they were able to rewire themselves to handle the upgrade, correctly discriminating between colored lights to win soy-milk rewards. 美国加州大学圣巴巴拉分校的研究人员，将带有第三种感光色素的基因插入小鼠的X染色体，即便小鼠的大脑过去并未演化出分辨红绿色的能力，却能重新连接线路来运用这项新的功能。
- I have not the least idea about how to play bridge. 我一点儿不知道怎样打桥牌。
- Power generation has fallen because mountain snows are not melting fast enough in winter and river levels are low, hampering an economy which has not recovered from a decade-long civil war. 发电量的下降，是因为冬天山区融雪速度不够快，河水高度低，因此使尼泊尔陷入困境；这个国家先前才经历了长达十年的内战，且尚未恢复过来。
- How to improve team fast when I have not enough money? 当我没有足够的资金的时候,如何快速的改进我的球队?
- She want some scotch tape, but he have not get any. 她想要一些透明胶带，但他没有。
- Prices have not shown much variation this year. 今年物价没显出多大变化。
- Jiang Honglin was catching up fast, too, but not fast enough. 江洪林也正在赶上来,但速度不够快。
- They have not seen that movie on television. 他们还没看过电视上的那部影片。
- He didn't duck fast enough to avoid the rock. 他躲避不及，被石块打中。
