合成板 héchéngbǎn composite board Origin Definitions Defs Strokes Stroke Words Sentences Sents 合成 héchéng adjectivenoun synthetic made by chemical synthesis rather than of natural origin, such as fabrics or rubber; incorporating板 bǎn noun board board; plank; plate; shutter; paddle or bat for sports; specifically refers to a blackboard or a shop's door shutter