Department of energy
能源部（DOE，美国）；能源系
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
But I'm not so sure that I want to leave New York,
但我不能确定我真想离开纽约，
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
It took me ten minutes to persuade her to ring back later.
我用了10分钟的时间才说服她过会儿再来电话。