重点讲解:
1. tell apart 区分;区别;辨别;
例句:Perhaps it is the almost universal use of flavourings that makes it so hard to tell the products apart.
或许是因为调料的使用几乎千篇一律才使得那些产品难以区分开 。
2. come up with 想出,提出(计划、想法等);
例句:She came up with a new idea for increasing sales.
她想出了增加销售量的新主意 。
3. be unique to 独有的;特有的;
例句:The koala is unique to Australia.
树袋熊是澳大利亚独有的 。
4. prop up 支撑;维持;
例句:Investments in the U.S. money market have propped up the American dollar.
对美国资金市场的投资扶持了美元 。
n. 确认,查证,作证