Become operative
[法] 生效
?? 詞語組成解析
become
[b?'k?m]
vi. 變?yōu)椋蔀?變得;變成;
vt. 適合，適宜;相稱，相當;變成;發(fā)生;
be(upon)+come→變?yōu)椋怀蔀?=to come upon）
operative
['?p?r?tiv, '?p?reitiv]
adj. 手術的;（計劃、法律等）實施中的，起作用的;最適合的;關鍵詞句;
n. 工作人員;（尤指）體力勞動者;密探;（尤指政府的）特工人員;
??? 情景例句
It was so nice to be out in the country.
出去置身鄉(xiāng)下真是太好了。
Don't try judge young people by their appearance.
不要從外表去判斷年輕人。
You'll have to wear this hard hat for the tour.
參觀時必需戴上這安全帽。