bedroom(卧室)footprint(脚印) glasshouse(温室)afternoon(下午) (2)名词+动名词 sun-bathing(日光浴)handwriting(书法) sight-seeing(观光) (3)形容词+名词 shorthand(速记)hotline(热线) blackboard(黑板)gentleman(绅士) (4)动名词+名词 waiting-room(...