helpline怎么读？

helpline的复数形式为：helplines...

Should you lose your ticket call collect on STA's helpline.若遗失机票，请拨打STA的免费求助热线。...

n.热线服务电话...

mechanic的近义词/同义词有：technician, craftsman, repairman, machinist, craftsman, artisan, worker, machinist, technician, repairman。n.mechanic的近义词（机械工,修理工）：technician, craftsman, repairman, machinist。mechanic的近义词（其他释义）：craftsman...

dawsonite的音标：dawsonite的英式发音音标为：['dɔ:sɒnaɪt]dawsonite的美式发音音标为：['dɔsɒnaɪt]...

关节内窥镜...

n.方位角计，磁针偏差计...

adj.[医]具缺刻的，微缺的v.偷( nick的过去式和过去分词 )，割伤，逮捕...

“虚荣”的英语可以翻译为：vanity，vain glory，peacockery ...

castolin的音标：castolin的英式发音音标为：['kæstəlɪn]castolin的美式发音音标为：['kæstəlɪn]...

The operational principle of digital readout instrument angle measurement is introduced based on the round inductosyn.介绍了圆感应同步器数显表测角系统的工作原理,以及在静态和动态测角方法....

guesstimate的音标：guesstimate的英式发音音标为：['gestɪmət]guesstimate的美式发音音标为：['ɡɛstəmɪt]...

You are out of line with the others.你和其他人不成一条直线.His ideas are out of line with reality.他的想法不切实际.Our prices are out of line with those of our competitors.我们的价格和竞争者的相差悬殊....

meiosis的音标：meiosis的英式发音音标为：[maɪ'əʊsɪs]meiosis的美式发音音标为：[maɪ'oʊsɪs]...

“耐热”的英语可以翻译为：heat-resisting，heatproof，resist heat ...

n.除脏（术）...

“丝虫科”的英语可以翻译为：[医] Filariidae ...