动摇不定

Obama has made inroads in several swing states that could vote for either candidate, including Colorado and New Mexico, and he is focused on winning larger competitive states like Ohio and Florida that often determine the outcome of presidential elections.

奥巴马已在几个动摇不定的州取得进展，例如科罗拉多州和新墨西哥州。而且他目前正集中精力赢取竞争激烈的大州，诸如俄亥俄州和佛罗里达州，这些州往往决定总统选举的成败。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。