approach motive

• 趋近

approach motive的用法和样例：

例句

1. Earlier in this section, we noted that the tails of the normal distribution approach but never touch the horizontal axis.
   本节前面已经指示，正态分布的两个尾端趋近于横轴，但永远不与横轴相交。
2. What is specific to black holes, however, is that the redshift becomes infinite as the travelers approach the horizon.
   不过黑洞特殊的地方在于，随著旅人向视界趋近，红移会变成无限大。