a free-form jazz improvisation自由创作的爵士乐即兴演出Most of their music was spontaneous improvisation.他们的大部分音乐作品都是即兴创作的.He coached the young man in the theatre and developed his power of improvisation.他辅导那位年轻人演戏,培养他的即席表演能力....

impracticably的音标：impracticably的英式发音音标为：[ɪmp'ræktɪkəblɪ]impracticably的美式发音音标为：[ɪmp'ræktɪkəblɪ]...

There are grounds for impeachment.存在弹劾的理由。The verdict resulting from his impeachment destroyed his political career.他遭弹劾后得到的判决毁了他的政治生涯.Comments about impeachment are rife in all media.所有新闻机构都对弹劾问题发表评论....

impugn的第三人称单数（三单）为：impugns...

imperishable的音标：imperishable的英式发音音标为：[ɪm'perɪʃəbl]imperishable的美式发音音标为：[ɪm'pɛrɪʃəbəl]...

Searches in the impurity clues in the water - ice dominated plumes and surface ejecta are progressing.科学家持续不断的研究这些由水冰主宰的羽状烟柱及表面喷发物,来寻找水存在的可能性.Impurity doped during epitaxy will diffuse in the epitaxial layer and even int...

n.无耻，放肆...

Human behavior depends on many imponderables.人类行为取决于许多无法估量的因素.We can't predict the outcome. There are too many imponderables.我们无法预测结果。难以逆料的情况太多了。Many imponderables influence the result of an election.许多无法估量的因素都会影响选举...

Faith must be dead to doubt, clumb to discouragement impossibilities.信念就是对怀疑, 沮丧和不可能的一概否定.Can you just stop thinking about all those impossibilities, girl?你能不能别尽想这些不切实际的东西, 女孩?Probable impossibilities are to preferred to...

imperatively的音标：imperatively的英式发音音标为：[ɪm'perətɪvlɪ]imperatively的美式发音音标为：[ɪm'perətɪvlɪ]...

The dog clung like a limpet to the thief.那条狗死死缠住小偷不放.The adhesion mechanism of barnacle , limpet, anemone, tube worm are described in this paper.主要介绍海洋生物中藤壶、帽贝 、 海葵 、 管栖蠕虫对其基材的粘附机理....

n.污染，不纯...

n.围在园内，兽苑...

The good teacher imparts wisdom to his pupils.好的老师把智慧传授给学生.The uniform imparts a dignified appearance to him.这身制服使他显得威严.A historical awareness also imparts a sense of continuity.历史意识也显示了一种连贯性。...

impairments的音标：...

allimportant的音标：allimportant的英式发音音标为：[əlaɪm'pɔ:tnt]allimportant的美式发音音标为：[əlaɪm'pɔtnt]...

adv.不灭地，不朽地...

implant的复数形式为：implants...

压迹...

As to the ideological work, we should never go about impetuously.对于思想工作, 千万不可操切从事.So of course I dashed impetuously to the shrine to pay homage.一听这话,我当然性急地冲到这个神殿来表示敬意.He escaped impetuously, like the wolf who finds his c...

whimpered的音标：...

imperils的音标：...

Brian's hesitation was almost imperceptible.布赖恩的犹豫几乎难以察觉。imperceptible changes in temperature难以觉察的气温变化The slight change in the taste was imperceptible to most people.这种味道的细微变化对大多数人而言是无法觉察的....

Quimper的音标：...

impudicity的音标：impudicity的英式发音音标为：[ˌɪmpjʊ'dɪsɪtɪ]impudicity的美式发音音标为：[ˌɪmpjə'dɪsətɪ]...

adj.起皱褶的，有波纹的v.使（头发）卷曲，把…压成褶子( crimp的过去式和过去分词 )...

importune的现在完成时为：importuned...

n.浸渍，浸渗，浸透，注入v.灌注，使饱和( impregnate的现在分词 )，使怀孕...

n.鲁莽，无礼，不合理...

v.使形成珍珠状，用珍珠装饰( impearl的过去式和过去分词 )...