outskirts (n.) – the outer edge of a city, commuting time - time to get from home to work, traffic congestion- too much traffic on roads, vehicle n. – a mean of transportation, carbon-neutral (adj.)- environmentally friendly because CO2 released in the air is neutralized, rapid transit  – very fast public transportation,

Unit 4 Reading 1

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?