未曾有过炒信行为

请问这句英文有什么语法错误吗?How to control the white pollution is a hot potato for environment specialist. sentence什么意思 这四句loose sentence如何改写成periodic sentense?1.She missed the step and sprained he ankle.2.The Wangs must have gone away for the summer holidays,for we have not seen them for two or three weeks.3.There were the translators in their booths, 求高手解救!什么是downward initiated lightning 和 upward initiated lightning?（电气雷击保护出现的 sentence是什么意思?有没有判断对错的意思? 求 f concave upward 和 downward的范围图像是原函数,要导两次就晕了－ － f（a）的范围为 C/C++:#define SIGN(n) (n==0?(n How to make scrambled eggs with tomatoes以“how to make scrambled eggs will tomatoes”为题80词 写一篇英语作文 原料：一个西红柿、三个鸡蛋、一个青椒、盐、油 1 将西红柿和青椒切碎 2 把鸡蛋打破放入碗里 scrambled eggs with tomatoes 后面是跟are还是is,前面要不要加the 怎么输入这串英文? 80km/h=m/s?拜托用分数表示 请问香蕉用英语怎么说 loose sentencethe wangs must have gone away for the summer holidays,for we have not seen them for two or three weeks,为什么是松散句 stomachache什么意思 stomachache 英语中的choppy sentence是什么 stomachache是什么意思? get a stomachache是什么意思 How to face worked together through the 什么意思 resume和resum有区别吗?RTRT 如何回答What’s the tendency of the international tourism?请把这个问题当作议论的题目. what's your attitude towards such a saying ,"tourism leads to a moral standars "?what's your attitude towards such a saying ,"tourism leads to a fall of moral standars "? Develop punch list for contractors 翻译成汉语是什么 it worked out good还是well? stalker 2是什么字体,中文意思怎么翻译? stalker这个单词 Agoni是什么意思? agoni是什么意思啊 Agoni是什么意思呀? I can't make myself feel sorry这个是什么意思 高手翻译下阿 小学六年级下册语文综合复习 9.给外地亲友写封信