He began performing in the early fifties, singing and playing guitar.他从50年代早期开始表演吉他弹唱。Charles listened with rapture to her singing.查尔斯兴致勃勃地听她演唱。My older brother and sister used to torment me by singing it to me.哥哥姐姐以前常唱那...
He began informally to handle Ted's tax affairs for him.他开始非正式地为特德打理税务。Everyone dressed informally in shorts or jeans.大家都穿得很休闲，不是穿了短裤就是穿了牛仔裤。You will have a chance to circulate and chat informally.你们会有机会四处走动一下,互相聊聊....
The company Hildebrand and Wolfmueller made the first two - wheel motorized vehicle available to the general public.海得布兰德和沃夫穆勒公司制造出首辆给一般大众用的两轮动力车辆.Philipp Hildebrand , president of Switzerland's central bank, expres...
乳糖是乳的主要碳水化合物.Lactose is the main carbohydrate occurring in milk.乳糖产生葡萄糖和半乳糖.Lactose gives glucose and galactose.碳水化合物部分由半乳糖,葡糖胺, 岩藻糖和唾液酸组成.The carbohydrate portion is made of gala ctose, glucosamine, fucose and sialic ac...