F=kx，这是胡克定律，k是弹性系数，一般是常数，题目中大部分情况会给你，x是位移，指终点到起点的长度，你是初中生，了解一下就可以了，初中大纲里应该没有涉及到这部分内容（我说的是上海，其他地方就不知道了）。book的中文翻译curl up with a book 卷起书来重点词汇curl up卷；缭绕升起；厌恶；身体上[精神上]垮掉book书；卷；课本；账簿；预订；登记；预约；立；订立演出契约；书的；账簿上的；得之书本的；。
由此可知，旋度即旋转程度，“旋”为旋转之意，故发xuán音。总结：散[sàn]度；旋[xuán]度。注意：“散”和“旋”字具有双音，不同发音不同释义。一般情况下，sàn ]音表示动态，意指动作。由聚集而分离：解I would like to talk about my hair. I used to have straight hair. But now I am trying to have curly hair. In China, curly hair is quite special. I think my hair represents my family. My grandma 。
curl up ( curling, curled, curls )→see curl, curl 双语例句权威例句The performance of the polythene film collector was yzed, and the loosening shovel andcurl-up film roller were designed and developed.该卷毛翻译为：frizzle；cicinnus；Curly hair 。
CUED, CUES, CUFF, CUIF, CUIT, CUKE, CULL, CULM, CULT, CUNT, CUPS, CURB, CURD, CURE, CURF, CURL, CURN, CURR, CURS, CURT, CUSH, CUSK, CUSP, CUSS, CUTE, CUTS, CWMS, CYAN, CYMA, CYME, CYST, CYTE, CZAR[蜷曲]百科解释蜷曲，指卷绕或盘绕；肢体等弯曲。见《素问·刺禁论》“刺脊间中髓，为伛”唐·王冰注：“伛，谓伛偻，身踡屈也。”更多→ 蜷曲[蜷曲]英文翻译curl; swirl [蜷曲]近义词蜷缩[蜷曲]。
adj.卷曲的；拳曲的；蜷缩的读音：英[ˈkəːli]，美[ˈkərli]例句：His black curly hair was blown flat across his skull.他卷曲的黑发被风吹得平贴在头顶上。她有一小绺鬈发。
curl vt. 使…卷曲；使卷起来vi. 卷曲；盘绕n. 卷曲；卷发；螺旋状物utf-8编码lua本身不对字符串编码进行处理，但由于字符串8-bit clean能够正确过渡utf-8编码的字符，只是输出方面是由外部程序进行处理的（即字节原封不动的从lua中过渡）；如果你从curl得到的是正常的utf8字符串那么。