“有效”的反义词

“有效”的近义词/同义词：有用。...

如果使用得当，避孕套是很有效的避孕手段。Condoms are an effective method of birth control if used with care.服用避孕药是最有效的避孕方法。The pill is the most efficient method of birth control.记下信用卡卡号，核对有效期限。Make a note of credit card numbers and check exp...

“有效”的英语可以翻译为：effective，valid，efficacious，availability，be good for ...

“有效”的拼音为：yǒu xiào...

paraphrase的现在进行时为：paraphrasing...

heartlands的音标：...

n.山梗莱属的植物( lobelia的名词复数 )...

Durie的音标：...

“牛奶”的拼音为：niú nǎi...

“防风林”的英语可以翻译为：eakwind，shelterbelt，windbreak ...

immixture的音标：immixture的英式发音音标为：[ɪ'mɪkstʃə]immixture的美式发音音标为：[ɪ'mɪkstʃə]...

存信息的...

When the microphones were on, gaffes gushed from his lips.而当电话响起, 他却口无遮拦,屡屡失言....social gaffes committed by high-ranking individuals.高层人士在社交场合的一些失态行为Such gaffes and inexperience made Mr Kaczynski easy to lampoon.上述种种失态与缺...

Bob had to touch up the exterior paintwork where it was necessary.鲍勃要给所有外表需要修饰的地方上油漆.Covert action was deniable; a Pentagon program would not be ( Bob Woodward )偷偷摸摸的行动是可以否认的; 而五角大楼的行动却是有目共睹的 ( 鲍勃伍德沃德 )Bob died of a hear...

HDM的音标：...

Conclusion The LC - ESI - MS method are useful to quality control of kitasamycin.结论本文为吉他霉素的质量控制提供了一种新方法.Methods By using analytical column, electrospray ionization and positive ion monitoring components of kitasamycin we...

His life was saved by a quarter-inch-thick bullet-proof steel screen.多亏一块1/4英寸厚的防弹钢板，他才捡了条命。More cash will be saved by shutting studios and selling outside-broadcast vehicles.通过关闭演播室和出售实况转播车将节省更多资金。He saved one shot when...

Their measurement are correct to a hair's breadth.他们的测量非常精确,丝毫不差.A cogging torque measurement system was proposed , which was composed of stepping motor, torque sensor, etc.提出了一种由步进电机 、 转矩传感器等元件组成的齿槽转矩测试系统.The opera...

“多情”的反义词：无情, 寡情, 薄情, 薄幸。...