本文聚焦于解析Steam的多元词性与应用,Steam具有名词和动词等词性,作名词时,可表示蒸汽、水汽等,如“the steam from the kettle”(水壶冒出的蒸汽);作动词,有冒蒸汽、蒸煮等含义,像“steam the vegetables”(蒸煮蔬菜 ),相关短语有“let off