她穿着羊毛宽松裤和涡旋花纹宽袍。She was wearing wool slacks and a paisley smock.摘要天气图上有许多种涡旋型式。There are many vortex patterns on synoptic maps.设计旋风除尘器的主要目的在于造成涡旋运动.The pricipal objective in designing cyclones is to create a vortex....
牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。When not removed, plaque causes tooth decay and gum disease.他们从上层文职部门清除了上千名公务员。They have purged thousands from the upper levels of the civil service.无法把所有的沙砾都清除干净。You'll never quite get rid of e...
看那边，就在木头柱子的旁边。Now look yonder, just beyond the wooden post there.打磨木头的表面，为刷清漆做准备。Rub the surface of the wood in preparation for the varnish.木头最近经过抛光又恢复了光泽。The wood had been recently polished to bring back the shine....