却: Ⅰ动词1.(后退) step back 短语和例子退却 go back; retreat2.(使退却) drive back; repulse 短语和例子却敌 repulse the enemy3.(推辞; 拒绝) decline; refuse; reject 短语和例子推却 decline; refuse; 盛情难却。 it would be ungracious no
直线: 1.(不弯曲的线) straight line2.(急剧的) steep; sharp 短语和例子生产直线上升 sharp rise in production; 直线尺 straightedge rule; 直线传播 rectilinear propagation; 直线飞行 rectilinear flight; 直线距离 air line distance; crow
简单: 1.(不复杂) simple; uncomplicated; plain; simplicity 短语和例子构造简单 simple in structure; 头脑简单 simple-minded; seeing things too simply; 学习简单明了地讲话 learn to speak plain; 一项简单的工作 a straightforward job;