dumbfound的一般过去时怎么拼写

dumbfound的现在完成时为：dumbfounded...

dumbfound的音标：dumbfound的英式发音音标为：[dʌm'faʊnd]dumbfound的美式发音音标为：['dʌmˌfaʊnd]...

dumbfound的第三人称单数（三单）为：dumbfounds...

dumbfound的现在进行时为：dumbfounding...

v.使人哑然失声，使发楞...

This text surrounds that problem, makes some accidence and system discussion.本文围绕该问题作了一些初步的、系统的认识和探讨.I have learnt some knowledge of it in accidence.我初步学会了关于它的一些知识.Medical factors cause the accidence of MOF also.医源性因素也参与...

medecamycin的音标：medecamycin的英式发音音标为：[medkeɪ'mɪsɪn]medecamycin的美式发音音标为：[medkeɪ'mɪsɪn]...

矿井中用钢制通风机来保持空气流通。The pit is ventilated by a steel fan.螺旋式通风机从壁孔中排出空气.Propeller fans exhaust air through holes in the wall.窗上的通风机发出了耳语般轻微的嗡嗡声.The fan at the window made a small whispering roar....

decrescent的音标：decrescent的英式发音音标为：[dɪ'kresnt]decrescent的美式发音音标为：[dɪ'kresənt]...

simulate的第三人称单数（三单）为：simulates...

microevolution的音标：microevolution的英式发音音标为：['maɪkrəʊevə'lju:ʃən]microevolution的美式发音音标为：[ˌmaɪkroʊˌevə'luʃən]...

图4概略表示出粗纺和精纺毛织物生产的工艺流程.Figure 4 outlines the operations that take place in woolen and worsted fabric manufacturing.一种存储单位,等于1, 048, 576字节. 概略地说, 为一兆字节.A unit of storage equal to 1, 048 , 576 bytes. Loosely, one million b...

n.葡萄牙人，葡萄牙语( Portuguese的名词复数 )...

代替，抵换...

他注意到她长筒袜上有一道褶儿。He noticed a wrinkle in her stocking.长筒袜的一侧抽丝了。The ladder blew sideways.他用尼龙长筒袜勒死了她.He strangled her with a nylon stocking....

v.危及，使遭受危险( endanger的现在分词 )...

他昨天买了一台干燥机.He bought a dryer yesterday.干燥机可以自动化作业.The dryers can be automated.摘要此研究目的在于开发与试验水稻循环式干燥机所使用之控制系统.A control system adopted by rice circulating dryer was developed and tested....

n.筛窦切除术...

n.英国保守党的党员( Tory的名词复数 )...

gibbous的音标：gibbous的英式发音音标为：['gɪbəs]gibbous的美式发音音标为：['ɡɪbəs]...