上升动词类:increase,goup,riseup,growup,jumpup,surge,shootup,keepanupwardtendency下降动词类:decrease,godown,decline,falldown,drop,sink,dip,keepadownwardtendency波动动词类:fluctuate持平动词类:remainthesame,stabilize,remainstable,remainconstant修饰动词的副词:slightly轻微地,slowly缓慢地,gradually逐渐地,steadily稳定地,rapidly迅速地,moderately温和地,轻微地,significantly明显地,sharply明显地,dramatically急剧地,drastically急剧地