1.quietude

　　quietude /?kwa???tju?d/

　　N-UNCOUNT Quietude is quietness and calm. 寂静 [正式]

　　2. reverberate

　　reverberate /r??v??b??re?t/ ( reverberating, reverberated, reverberates )

　　V-I When a loud sound reverberates through a place, it echoes through it. 回响

　　例：

　　Day in and day out, the flat crack of the tank guns reverberates through the little Bavarian town.

　　日复一日地，单调的坦克炮的轰隆声在巴伐利亚的这个小镇上空回响着。

　　3.milieu

　　milieu /?mi?lj??/ ( milieus )

　　N-COUNT Your milieu is the group of people or activities that you live among or are familiar with. (社会) 环境 [正式]

　　例：

　　They stayed, safe and happy, within their own social milieu.

　　他们呆在自己所属的社交圈里，安稳又愉快。

　　4.grumble

　　grumble ['ɡr?mbl]vi.抱怨，喃喃诉苦;发牢骚;鸣不平：

　　She is always grumbling!

　　她总是喃喃诉苦!

　　Taxpayers are grumbling about the waste of government money, asusual.

　　纳税人又像往常一样抱怨政府浪费钱财。

　　5. groundbreaker

　　groundbreaker ['ɡraund,breik?]

　　n. 创始者;改进者

　　6. compile

　　compile /k?m?pa?l/ CET6 TEM4 ( compiling, compiled, compiles )

　　V-T When you compile something such as a report, book, or programme, you produce it by collecting and putting together many pieces of information. 汇编; 汇集

　　例：

　　The book took 10 years to compile.

　　这本书花了10年编写。