...leaves that are often downy underneath.底部常常多茸毛的树叶A kitten's fur is downy.小猫的毛很柔软....the white downy bodies of two chicks.两只小鸡仔白色的毛茸茸的身体It also inhibited the occurrence of downy mildew and Erwinia carotovora.对田间大白...
He lengthened his stride to keep up with her.他迈大步追上她。The two saleswomen were busily trying to keep up with the demand.那两名女售货员正忙着接待顾客。She was skipping to keep up with him.她连蹦带跳地走着，好跟上他的步伐。...
Mass flow information can be secured by using a densitometer.质量流量的数据可借助于密度计而获得.The zero point of the density scale is defined by having no specimen in the densitometer.定义密度计内设有样品时的密度为密度尺标的零点.Densitometer is an apparatus ...