Unit 2 Travelling Around词语助读①on the coast沿岸off the coast在海面上along the coast沿着海岸②narrow/'nærəʊ/adj.狭窄的 vi.& vt.(使)变窄[反义]broad adj.宽阔的③flat/flæt/adj.平坦的；扁平的 n．公寓；单元房(英式英语)apartment n．/ə'pɑːtmənt/公寓套...