impetus

impetus n.

推動力, 促進

英英解釋:名詞impetus:
1. a force that moves something along
同義詞：drift, impulsion
2. the act of applying force suddenly
同義詞：impulse, impulsion

習慣用語

give an impetus to sth. 推動[促進]某事物

lend an impetus to sth. 推動[促進]某事物

with great impetus 用大力