The drill should be slowly rotated to ensure a clean hole.钻头必须缓慢转动，以保证钻孔平整光滑。The colours rotated round on a disc and were reflected onto the wall behind.圆盘上色彩流转，反射到后面的墙上。To combat this tendency, Carlson rotated his top e...
The lorry had been blacked by strikers and could not be unloaded.那辆货车遭到罢工者抵制而无法卸货。They unloaded their catch of cod and bass.他们把捕到的鳕鱼和鲈鱼卸下来。The products should be packed with wooden pallets or carton, stored in flatness a...