Ⅱ.词性转换与派生记忆
1.trade vi.做生意→n.贸易;交易 2.view n.景色;风景→vt.观察;考虑;查看 3.spot n.地点;场所→vt.认出 4.narrow vi.变狭窄 adj.狭窄的→narrowly adv.勉强地;仅仅 5.mountainous adj.多山的→mountain n.山→mountaineer n.登山家 6.fertile adj.肥沃的→fertilize vt.施肥于→fertilizer n.肥料;化肥 7.surround vt.围绕;环绕→surrounding adj.周围的→surroundings n.环境