Selective dehydration of hexose, such as D - fructose, is one of main synthetic methods for 5 - hydroxymethylfurfural.果糖等己糖选择性脱水是制备 5- 羟甲基糠醛的主要方法之一....
She wore a thick tartan skirt and a red cashmere sweater.她穿了一条厚厚的格子呢裙和一件红色羊绒衫。Her wardrobe consists primarily of huge cashmere sweaters and tiny Italian sandals.她的衣物主要是宽大的开司米毛衣和小巧的意大利凉鞋。She decided on a beige cashmere sw...
“我真的很想吃点儿点心，”基顿咂着嘴说。"I really want some dessert," Keaton says, smacking his lips.我能给你尝点泡芙点心吗？Can I tempt you with a little puff pastry?猕猴桃正是健康的小点心。Kiwi fruit are just the thing for a healthy snack....
二战期间，该地区被用来操练火炮射击。During the Second World War the area was used for gunnery practice.他们倚仗坦克和重型火炮占领了这个镇。Using tanks and heavy artillery, they seized the town.他们在一排废弃火炮旁停了下来。They stopped beside a battery of abandoned guns....