评论
打印
重点讲解：
1. burn off 消耗；耗费；
例句：This will improve your performance and help you burn off calories.
这将会改善你的表现，并帮你消耗卡路里。
2. rack up 积累；
例句：Indiscriminate swiping is a sure-fire way to rack up a large credit card debt.
不理智地疯狂刷卡肯定会让你欠债越来越多。
3. stock up on 大量贮备；囤积；
例句：The authorities have urged people to stock up on fuel.
当局已经敦促人们储备燃料。
4. instead of 代替…；而不是…；
例句：He trifled with his food instead of eating it.
他只是心不在焉地拨弄他的食物，一口也没吃。
n. 败北，挫败
vt. 战胜，击败
