n.氰亚铁酸盐，氢亚铁氰酸盐...

n.露珠，露滴...

There's a lot of headroom for such a small car.这么小的一辆汽车的头上空间蛮大的。There is not enough headroom for buses to go under this bridge.这座桥梁下面的净空高度不够,公共汽车不能通行.Carry headroom to provide technical equipment standard.提高空管技术装备水平...

dihedral的音标：dihedral的英式发音音标为：[daɪ'hi:drəl]dihedral的美式发音音标为：[daɪ'hidrəl]...

hyperadrenalemia的音标：hyperadrenalemia的英式发音音标为：[haɪpərædrenə'li:mjə]hyperadrenalemia的美式发音音标为：[haɪpərædrenə'limjə]...

androecium的音标：androecium的英式发音音标为：[æn'dri:ʃɪəm]androecium的美式发音音标为：[æn'drɪʃɪrm]...

hamadryad的音标：hamadryad的英式发音音标为：[ˌhæmə'draɪəd]hamadryad的美式发音音标为：[ˌhæmə'draɪəd]...

androphore的音标：androphore的英式发音音标为：[ənrəʊ'fɔ:r]androphore的美式发音音标为：[ənroʊ'fɔr]...

羟甲雄二烯酮...

madras的复数形式为：madras...

n.栏杆，扶手( handrail的名词复数 )...

Medico - surgical equipment . Orthopaedic instruments . Drive connections . Part 2: screwdrivers for slotted , for cruciform and recessed ned.外科医疗器械.矫形外科设备. 传动连接. 第2部分: 十字形和一字形旋具.No, I have everything: hammer, screwdrive...

As the day goes on, the pollen dries up and becomes hard.日子一天天过去，花粉干结成了硬块。If the soil dries out the plants may bolt.如果土壤过干，植株可能会过早结实。Skin thickens, dries and coarsens after sun exposure.晒后皮肤会变厚、变干、变粗糙。...

drizzle的现在完成时为：drizzled...

drooled的音标：...

drowse的一般过去时为：drowsed...

drama的复数形式为：dramas...

n.二腙...

n.羟嗪，安泰乐...

n.鼓声，打鼓( drumbeat的名词复数 )，鼓点子...

drill的一般过去时为：drilled...

hydrolysis的音标：hydrolysis的英式发音音标为：[haɪ'drɒlɪsɪs]hydrolysis的美式发音音标为：[haɪ'drɑlɪsɪs]...

midriff的复数形式为：midriffs...

eyedropper的音标：eyedropper的英式发音音标为：['aɪˌdrɒpə]eyedropper的美式发音音标为：['aɪˌdrɒpə]...

氢氰化物...

icosahedron的音标：icosahedron的英式发音音标为：['aɪkəsə'hedrən]icosahedron的美式发音音标为：[ˌaɪkoʊsə'hidrən]...

magnetohydrodynamics的音标：magnetohydrodynamics的英式发音音标为：[mægni:təhaɪdrəʊdaɪ'næmɪks]magnetohydrodynamics的美式发音音标为：[mæg'nɪtoʊˌhaɪdroʊdaɪ'næmɪks]...

dihydrogingerol的音标：dihydrogingerol的英式发音音标为：[di:haɪd'rɒdʒɪndʒərɒl]dihydrogingerol的美式发音音标为：[dihaɪd'rɒdʒɪndʒərɒl]...

Andrenidae的音标：...

quadruple的第三人称单数（三单）为：quadruples...