摘要: broaden one's horizons 开阔眼界 broaden vt . vi 扩大 eg :His face broadened out into a grin For college students to do a part time job will broaden their outlook . -en 后缀① (在名词.形容词后构成动词)表“变为.使有.变得(有) eg . darken , weaken ,deepen , sharpen, awaken , widen, hearten , lengthen , strenghen , etc ②(在物质名词后构成形容词)"由-制作的" eg :wooden , woolen ③eg : oxen , children Keys

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