摘要: 1.加 plus(介词,作形容词时,是正的,等同于positive) add(动词) 比如: 4 plus 3 equals 7. If you add 4 to 3 you get 7. Her mark was B plus。 她的分数B+。 减 minus (介词,作形容词讲时,是“负的”的意思,相当negative)subtract(动词,常与from连用)减去;扣除 比如: ... 阅读全文
posted @ 2007-12-13 14:41 许晓光 阅读(1327) 评论(0) 推荐(0)
摘要: Collections HashSet)>) provides high performance set operations to the .NET Framework. A set is a collection that contains no duplicate elements, and whose elements are in no particular order. For mo... 阅读全文
posted @ 2007-12-13 14:39 许晓光 阅读(270) 评论(0) 推荐(0)