Dreye权威释义

n.

vt.

同义参见:

以上来源于：《英汉大辞典》

/ˈfʊlkrəm, ˈfʌl-/

n.

(pl. fulcra /-rə/ or fulcrums)

the point against which a lever is placed to get a purchase, or on which it turns or is supported.

C17: from L., lit. ‘post of a couch’, from fulcire ‘to prop up’.

以上来源于：《简明牛津英语词典》