圆的组合图形

细小意思是什么? 人体很需要这个吗你没说明白。我知道含高纤维的食物。我是问 纤维素食什么？ 说聚乳酸、大麻、竹纤维、丽赛都属于高感型纤维, 纤维间切向滑动的切向指什么方向 海绵的纤维方向怎么看? I should be very____if you would post this letter for me选项1、please 2、 thinking 3、grateful 4、 pleasing 关於动词的past tense像edit,past tense是edited,而dig,就是digged.那我怎知道何时要double 最后那个字母? past tense 只有was吗!verb to have 是什么tense my classmates前面加什么介词 step out of the rush 不要用翻译器! step out of uniform意思?step out of如何理解?step out of我查过字典没有脱掉的意思呀？为何？ out of step的反义词是什么 out of step 的反义词是什么 I know the past is the past .我说的是语法 step out of line请问怎么翻译这个短语 “五海三洲之地”指的是哪里 the boy __ the car is my friend.（介词） 用英语讲雨是怎样形成的快 雨是怎么形成的用英语说 car前有修饰词用什么介词 There are there aogs over there（对第2个there提问） There's a train over there.对a train提问 What Mr White said ___ ___ ___ (与---有关）the theme of the story.是is to do with还是was to do with? Her eyes are very good,so she needn't wear ------(glass). 304不锈钢板有没有耐腐蚀 what you need do is carry it out 是病句吗 the one with thick glasses over his eyes is我感觉别扭,我改成the one is with thick glasses overhis eyes 如果不可以那么是为什么呢? ___ your mother often ___(ask) you ___(not stay) out too late?动词填空 His parents told him not _______ (stay) out late,He must be before 9:00 pm. how do you get to be the NO.1 pick in the 2010 NBA draft?中文翻译是什么啊~ 3rd draft pick 意思 一根细长的弹簧系着一小木块,放在光滑的桌面上.手握小木块把弹簧拉长,放手后小木块便左右来回运动,B为小木块向右到达的最远位置.小木块某次向右经过中间位置O开始计时,其经过各点如