今天我们要学的词是 careen.

careen 的意思是顺着某个方向倾斜，冲入。The standoff between Washington and Tehran has careened from one crisis to another since U.S. President Donald Trump withdrew from the 2015 nuclear deal and imposed crippling sanctions against Iran. 自美国总统特朗普退出2015年的伊核协议并对伊朗实施严厉制裁以来，华盛顿与德黑兰之间的僵局从一个危机进入另一个危机。

As the country careens toward the 2020 presidential election, recent polls show that the top Democrat candidates are all closely matched, with no clear winner in sight. 随着美国步入2020年总统大选，最近的民调显示，领先的民主党参选人都旗鼓相当，看不到明显的获胜者。