By the 1980s , the arguments were grasping at scientific straws .

到了80年代，争议抓住了科学的稻草。

But by nineteen months , on average , grasping is replaced by pointing .

但是平均到了十九个月大，抓住被指认替代了。

From this case , we can conclude that success not only rely on hard working but also grasping opportunity in life .

从这个案例中我们可以得出结论：成功不仅依靠努力工作而且要抓住生活中的机遇。

The brevity of life and the importance of grasping the day are , one quickly learns , big themes for mortensen .

人们很快就知道，简洁的生活与抓住日子的重点是莫藤森的最大主题。

The teeth of planohybodus , in contrast , were slender and pointed-the sort usually associated with grasping and tearing at flesh .

相反，planohybodus的牙齿细长而尖锐，就是通常让人联想到抓住并撕咬肉类的那种。