二阶偏导数4个公式

忧郁的反义词是什么?(是反义词,不是近义词)要精确的 I think most of m____ the in the basketball team are all good at playing basketball.根据首字母及句意补全单词 为什么汉语拼音和英语字母大部分一样?它们是同时出现的吗? 石壕吏 中的吏和老妇人性格上各有什么特点 More and more women wildworld are achieving economic independence.翻译,世界范围内越来越多的女性正在取得经济独立.答案翻译为已经取得经济独立, Someone says Tim is playing in the garden .you want to know about Sally. when someone is reading a book in the subway,in westerners' opinion,you had better not__________A.sleep in the seat B.look at his book over your shoulder C.keep silent what do you usually do on rainy days为什么要用on而不用in? ( )do you go to school?答:I go to school by Westrail.括号里填什么英文字母? N'oublie pas que je I know the time from the clock on the desk .第八题这样I know the time from the clock on the desk .第八题这样写对吗 How do you think about internet study just a apologize 我iphone也出现了we apologize for the inconvenience,but springboard has just crashed,之前在91里面下载了些东西 just over the border bête,Je veut à tel point te dire, encore une fois, que je t'aime! 什么意思?bête,Je veut à tel point te dire, encore une fois, que je t'aime! 这个句子是什么意思? I just said is very abrupt,I apologize to you这个句法对吗 Si tu attends que je revienne,je voudrais te dire que je t'aime!求翻译 je te 安恩和奶牛中的liao在抽ti怎么写 蒸ti的ti字怎么写 ti哭怎么写?马ti怎么写? ti袍的ti怎么写 rock you和give me five是什么意思 有没有关于爱国主义的影片?最好加观后感. time really can dilute all?谁能帮我翻译成文? Time can dilute all,even the most sincere. Only time can evident all. 关于颜料方面的英文翻译：yellow-shade red pigments 翻译成中文是什么颜料?请行家回答! a yellow sharpener a red crayon翻译出来是什么意思? the others boy能这么写, ------I'm leaving for the exam.Bye-bye,Mum.------Well,make sure you've------I'm leaving for the exam.Bye-bye,Mum.------Well,make sure you've got rready