1.They became extinct tens of thousands of years ago.
extinct 灭绝的
At the current rate of decline, many of the rain forest animals could become extinct in less than 10 years.
按照目前的下降速度,许多雨林动物不到十年就会绝种 。
2.But they were unable to translate those mental images effectively into the coordinated hand-movement patterns required for drawing.
coordinate 协调
You need to coordinate legs, arms, and breathing for the front crawl.
匍匐前进时,你要协调双腿、胳膊和呼吸 。