Four bar mechanism

four [fɔr]

num. 四;四个;第四; n. 四的;四个一组之物;

bar [bɑr]

n. 条，棒;（门、窗等的）闩;障碍;酒吧间; vt. 闩（门等）;阻碍，封锁;排除，去除; prep. 除…之外;

cod 表示”法律”,”账簿”;”密码本”##bar 木棒,障碍

mechanism ['mɛkənɪzəm]

n. [生]机制，机能，[乐]机理;（机械）结构，机械装置[作用]，（故事的）结构;[艺]手法，技巧，途径;机械作用;

mechan=mechine机械+ism主义 →机械装置

Too easy for you?

对 ，太容易了

He that runs fastest gets the ring.

捷足先登。

The only way that they can preserve their history is to recount it as sagas -- legends handed down from one generation of another.These legends are useful because they can tell us something about migrations of people who lived long ago, but none could wri

他们保存历史的唯一办法是将历史当作传说讲述，由讲述人一代接一代地将史实描述为传奇故事口传下来。