1.? estate?[?'stet]? n.房地產(chǎn)

2. mutual ?['mjut?u?l] ?adj. 共同的；相互的，彼此的

3.? manual?['m?nju?l] ?adj. 手動的

4.? Study hard and make progress every day.??? 好好學(xué)習(xí)，天天向上

5.? Lucid waters and lush mountains are invaluable assert.?? 綠水青山就是金山銀山

6.? key indicator? 關(guān)鍵指標(biāo)

7.? PM2.5?density? ?PM2.5濃度

8.? ministry of ecology and environment?? 生態(tài)環(huán)境部

9.? pipe dream? "煙斗夢"就是像煙一樣虛無縹緲的夢想，也就是白日夢，行不通

10.? erroneous? 錯誤的

11.? insomnia? n.失眠

12.?live streamer? 網(wǎng)絡(luò)主播