Fold the ironing board up so that it is flat.把熨衣板折起放平。But as other shops fold, the march of the superstores continues...但在其他商店纷纷关门倒闭之时，大型超市的强劲扩张势头却依旧不减。Fold the omelette in half...把煎蛋对折。Fold - out: Folded sheet in text w...
He tore up the letter angrily and threw it into the wastebasket.他气愤地把信撕掉,扔进字纸篓里.While nobody was looking, she squashed her school hat and crammed it into a wastebasket.趁没人看见，她把校帽弄扁塞进了废纸篓。Thomas crumpled the empty envelop...
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using st...