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。
