The gas had apparently leaked from a cylinder.气体似乎由一汽缸漏出。a propane gas cylinder丙烷气钢瓶The mixture is fed into the cylinder from the carburettor.混合体由汽化器注入汽缸....
I undid the bottom two buttons of my yellow and grey shirt.我解开了自己黄灰相间的衬衫上最下面的两个纽扣。There's an extra blanket in the bottom drawer of the cupboard.壁橱最下面的抽屉里还有一条多余的毯子。She lay at the bottom of the stairs, whimpering in p...
She was silent, her eyes downcast.她一言不发，两眼低垂。Barbara looked increasingly downcast as defeat loomed.当败象已呈时，芭芭拉看上去越来越沮丧。Eyes downcast, she continued eating.她低垂双眼，不停地吃。...