r语言中正则表达式

I am very happy but feel a kind of a waste of time译成中文 选择第25个.是get on it 还是get it on ,要有理由, 潜心请教哪位豪杰谈谈徐中约的《the rise of the china》小子读罢,潸然泪下求教甚切,无所觅处浑浑噩噩,寝食难安若的旁敲,不甚感激 Can not connect to MySQL server是什么意思 I can find out about game on TV有什么错 It’s ironic that there are more vehicles registered in the United Statesthan there are licensed drivers.句子翻译,麻烦大家了, a free magazine of ads.这个英语词组,是指一本免费的里面全是广告的杂志?还是一本含有广告的免费杂志?我懵了. there are many ads in the n-------- 填什么 We can get on the bus_____it stops. 英语填空 she's a________. There aren't any pencils and books on his desk 这句有错的吗 英语翻译说错了，是翻译成英文。麻烦把twins的名字也加上去 Please see attached for the media kit for the Miss Chinese.Thank you for your support!please let me know if you like to watch the final Can you take my hands这句英文是什么意思? Can you take my hands这句英文如何翻议 求曲风类似《the day you went away》和《pretty boy》的英文歌 cool guy怎么报名 cool guy 如何参加 cool guy如何参加?有什么条件?费用?请具体的说明一下、谢谢2012年的哦 怎么用pros and cons表示两方面,举例说明.平常写作文两方面过度都用just as every coin has two sides 不过这样没有新意,用pros and cons表示两方面.例如已经说了internet的好处,要转折到其坏处 怎么用pros a 快乐大本营来的cool guy是哪几个 cool Can't connect to SETI@home server ;it may be down."SETI@home"是一个软件的缩写.这句话里的server是什么意思?Network是什么意思?懂的人请问你们知道SETI@home这个软件怎么让它正常运行吗?我试了,总是出现这个 do sth 词组搭配（20个以上）【不是to do sth 或 doing sth】如：Let‘s do sth【不含to do 或 doing，直接在+do】 when the demand that she a rise immediately was refused,shewhen the demand that she_____ a rise immediately was refused,she demanded ___the manager.A.should give;meeting B.be given,to meet C.should be given; meeting D.would be given; to meet为什么 a check that will give us upon demand the riches of freedomupon demand the riches of freedom 怎么理解 2002年6月4日是什么星座 pros and cons全称中文是赞成和反对,请问英文全称是什么啊, 赞成与反对,正面与反面：pros and cons 的全写形式是什么 pros and cons分别指什么单词, pros and cons hunt for 与wait for的区别