重点讲解:
1. what about (用于引出与之前内容相关的新的话题或观点)那么…怎么样;
例句:What about the question of security?
安全的问题怎么办?
2. compared to 与…相比;和…比起来;
例句:The New Year celebrations were subdued compared to years past.
今年的新年庆典与往年相比较逊色 。
3. be composed of (由…)构成的;(由…)制成的;
例句:The exhibition is composed of three parts.
展览会由三个部分组成 。
4. be made of 组成;构成;
例句:These appliances are made of stainless iron.
这些器具是用不锈钢制成的 。
n. 安全,防护措施,保证,抵押,债券,证券