chaperon的现在完成时为：chaperoned...

environs的音标：environs的英式发音音标为：[ɪn'vaɪrənz]environs的美式发音音标为：[ɛn'vaɪrənz, -'vaɪənz]...

For processing the high tensile metals: carbon stell common alloy stell, hard bronze forgeable castiron. etc.加工高抗张强度的金属: 碳素钢 、 硬青铜和可锻铸铁等.Suitable for cutting metal , such as structural steel refractory steel, castiron, g...

Armstrong的音标：Armstrong的英式发音音标为：['ɑ:mstrɔŋ]Armstrong的美式发音音标为：['ɑrmˌstrɔŋ]...

broncos的音标：...

irony的音标：irony的英式发音音标为：['aɪrəni]irony的美式发音音标为：['aɪrəni, 'aɪə-]...

n.二氧化钛...

分化素...

chronoisotherm的音标：chronoisotherm的英式发音音标为：[krɒn'ɔɪsəθɜ:m]chronoisotherm的美式发音音标为：[krɒn'ɔɪsəθɜm]...

Since 1935, gliders have gained in reputation as tools for aeronautical and meteorological research.1935年以来, 滑翔机作为航空和气象研究的工具获得好评.Many of the pilots were to achieve eminence in the aeronautical world...这些飞行员中很多人将会在航空界声名显赫...

n.记时脉搏描记器...

erroneous的近义词/同义词有：incorrect, untrue, false, wrong, mistaken, fallacious, wrong, off, mistaken, perverse, out, false, untrue, incorrect, aberrant。adj.erroneous的近义词（错误的;不真实的）：incorrect, untrue, false, wrong, mistaken。erro...

时...

v.使（国王、女王或主教）登基，即位( enthrone的现在分词 )...

She suffers from bronchial asthma.她患有支气管哮喘。These evening damps and chills play Old Harry with one's bronchial tubes.夜晚的湿气与寒冷对支气管有害.Small doses depress salivary and bronchial secretion and sweating.小剂量可抑制唾液分泌、支气管分泌及出...

leyitron的音标：leyitron的英式发音音标为：['leɪɪtrɒn]leyitron的美式发音音标为：['leɪɪtrɒn]...

wrongdoing的音标：wrongdoing的英式发音音标为：['rɒŋdu:ɪŋ]wrongdoing的美式发音音标为：['rɔŋduɪŋ]...

The Hurons are a just nation; they will forget it.休伦人是个讲理的民族, 他们是不记恨的.Hurons, this is your mortal enemy.休伦人, 他就是你们不共戴天的仇人.The appearance of the opening duck seemed first to arouse the Hurons from their apathy.张开的船帆的出现立即引...

environmentalist的近义词/同义词有：city, naturalist, ecologist, planner, urbanist, conservationist。n.environmentalist的近义词（环境论者）：city, naturalist, ecologist, planner, urbanist。environmentalist的近义词（研究环境问题的专家）：conservationist。...

n.微米...

throng的第三人称单数（三单）为：throngs...

n.年长女伴（以前在英国，未婚女子出入社交场所必须有年长的女性陪同，以监督她的行为。），（尤指儿童表演时的）保护人，监护人，（未成年人舞会上的）行为监督人vt.作女子陪伴人，作监护人...

adj.精密时计的...

阿克伦城（美国俄亥俄州北部城市）...

绵马毒素，绵马精，绵马素...

ironmongers的音标：...

I was confronted with an array of knobs, levers, and switches.我面对的是一大堆旋钮、控制杆和开关。The candidates confronted each other during a televised debate.候选人在电视辩论中当面交锋。They don't hesitate to open fire when confronted by police...

ironsides的音标：...

Bronchiole -- Small branch of the bronchus that carries air to and from the alveoli.细支气管 -- 支气管的细小分支,输送空气进出肺泡....

radio astronomer的音标：radio astronomer的英式发音音标为：['reidiəu ə'strɔnəmə]radio astronomer的美式发音音标为：['redio ə'strɑnəmɚ]...