bifocal的复数形式怎么拼写？

adj.（指眼镜片）双焦的，双光的，有二重观点的n.双重焦点透镜，双光眼镜...

Use bifocal or varifocal lenses may relieve asthenopia.如改用双焦点或渐进多焦点镜片可能有助于减轻视疲劳....

bifocal的音标：bifocal的英式发音音标为：[ˌbaɪ'fəʊkl]bifocal的美式发音音标为：[ˌbaɪ'foʊkl]...

n.课件...

Miners in Zambia's northern copper belt have gone on strike...赞比亚北部铜矿带的矿工已经罢工了。Many of the Chinese working in Zambia are sanguine about the criticism.许多在赞比亚工作的中国人面对这些批评指责的时候,都很愤怒.The point of entry into Zambia would...

dimmer的复数形式为：dimmers...

undercarriage的音标：undercarriage的英式发音音标为：['ʌndəkærɪdʒ]undercarriage的美式发音音标为：['ʌndərkærɪdʒ]...

Wilder的一般过去时为：wildered...

citrullinuria的音标：citrullinuria的英式发音音标为：[sɪtrʌlɪn'jʊərɪə]citrullinuria的美式发音音标为：[sɪtrʌlɪn'jʊərɪr]...

“拦阻”的反义词：放行, 阻挡。...

Kingdon's broad experience, as writer and scholar, suffuses this important book.金登身为作家和学者的丰富阅历在这部重要的著作中体现得淋漓尽致。Over the next few years he distinguished himself as a leading constitutional scholar...在接下来的几年里，他作为一名宪法研...

adj.空气的( airy的比较级 )，空中的，轻快的，通风的...

news的音标：news的英式发音音标为：[nju:z]news的美式发音音标为：[nuz]...

The soldiers went at once to the mound and began to stick their bayonets through it.士兵们马上赶到土丘处，开始用刺刀往里戳。The battlefield bristled with bayonets.战场上刀枪林立.Hatchets , knives , bayonets , swords , all brought to be sharpened ,...

Conclusion: The pit and fissure sealant have significant preventive effect on carious teeth.结论: 窝沟封闭能有效预防窝沟龋的发生.Objective To improve the diagnosis of acute pulpitis on molars without carious lesions.目的为了进一步提高非龋性磨牙急性牙髓炎的诊...

romance的现在进行时为：romancing...

大多数人步行的平均速度为每小时5公里。Most people walk at an average rate of 5 kilometres an hour.第五大道上, 除了偶尔有辆公共马车或者有个步行的过路人之外, 已经空空荡荡.Fifth Avenue, save for an occasional cab or foot passenger, was bare.这两个步行的人正要从这样的一条大路向里面走.It was by on...

communicate的现在进行时为：communicating...