大趋势的英文：
Primary Movement
The days of sheepishly posing the question to a girl are gone, replaced by a phenomenon known as the “promposal.”
过去那种羞怯地询问女孩“是否愿意跳一支舞”的时代已经一去不复啦，现在的大趋势是“求舞”。
adj. 初级的；基本的；最早的，原始的；原生的；首要的，主要的
n.，首选；候选人初选会；预选；原色
primary feather
初级飞羽
A primary feather of a bird.
翅前羽鸟的初级飞羽
The Democratic primary was held this month.
民主党候选人初选于本月举行。
These are created by combining the primary.
这些颜色通过混合原色形成。
This should be your primary concern!
这一点是首先需要留心的。
n. 运动，转动，活动
This is a democratic movement.
这是一场民众运动。
Every movement has its partisans.
每一运动都有热情的支持者。
free movement to music
伴着音乐的优美动作
coordinate the movements of the arms and legs
使胳膊和腿的动作协调
That was a mass liberation movement.
那是一场群众解放运动。