阻: 动词(阻挡; 阻碍) block; hinder; impede; obstruct 短语和例子劝阻 dissuade sb. from; advise sb. not to; 拦阻 block; hold back; 阻滞 impede; hinder; obstruct; 风雨无阻 stopped by neither wind nor rain
最小: minimum◇最小半径 least radius; 最小公倍数 lowest common multiple (lcm); least common multiple