记录，与…保持联系...

concentration的复数形式为：concentrations...

n.整流（螺旋）推进器，整流螺旋桨，同轴反转式螺旋桨...

n.营养物，营养品，养分，养料，滋养物adj.营养的，滋养的...

n.抽象，出神，抽象概念，抽象化...

直径的...

Wash them in cold water to remove all traces of sand.用冷水冲洗它们以清除所有的沙子。Meat which has been cooked thoroughly shows no traces of pinkness.彻底煮熟的肉不会带有血色。The local church has traces of fifteenth-century frescoes.当地教堂仍留有15世纪壁画的...

大量运输...

trace的第三人称单数（三单）为：traces...

We will play a trick on the old abbot.我们要跟老修道院长开个玩笑.The boys hid Jone's bike to play a trick on him.孩子们把乔恩的自行车藏起来捉弄他.I don't play a trick on innocent people.我不作弄天真老实的人....

胃石症，胃柿石症...

Although it's not strenuous exercise, you feel toned-up, supple and relaxed.虽然这不是剧烈运动，但会让人感到强健、柔韧与放松。Strenuous efforts had been made to improve conditions in the jail.已经做了大量的努力来改善监狱的条件。Despite strenuous objections b...

n.强调，重音，压力，重力vt.重读，[机械学]使承受压力，给…加压力（或应力）...

We don't know how the transcript leaked.我们不知道文字本是怎么泄露出去的。a transcript of the interview采访内容的文字稿A transcript of the tapes was presented as evidence in court.一份录音带的文字本作为证据被呈交法庭....

测焦距术...

adj.主妇似的，主管的，安详的，尊严的...

instruct的现在完成时为：instructed...

Contrary to popular belief, moderate exercise actually decreases your appetite.与通常的看法相反，适度的运动事实上会降低食欲。Contrary to the popular myth, women are not reckless spendthrifts.和人们的普遍观念恰恰相反，女性并不是胡乱挥霍者。Contrary to the more alarmis...

v.强调( stress的过去式)，重读，[机械学]使承受压力，给…加压力（或应力）adj.紧张的，感到有压力的...

ethylbenzatropine的音标：ethylbenzatropine的英式发音音标为：[eθɪlbenzætrə'pɪn]ethylbenzatropine的美式发音音标为：[eθɪlbenzætrə'pɪn]...

chromometry的音标：chromometry的英式发音音标为：[krə'mɒmɪtrɪ]chromometry的美式发音音标为：[krə'mɒmɪtrɪ]...

trust的反义词有：mistrust, distrust, distrust, doubt, mistrust。n.trust的反义词（信任,信赖）：mistrust, distrust。trust的反义词（其他释义）：distrust, doubt, mistrust。...

n.以离心力分出之物v.使离心，利用离心力分离...

子宫切除术...

n.三重奏，三人一组，三重奏[三重唱]乐曲，（小步舞曲、谐谑曲等的）中段...

异毛目...

geoelectricity的音标：geoelectricity的英式发音音标为：['dʒi:əʊɪlek'trɪsətɪ]geoelectricity的美式发音音标为：['dʒioʊɪlek'trɪsətɪ]...

n.电极，电焊条...

Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.At lower concentrations they may even be stimulants of cell division.在浓度较低时,它们甚至能促进细胞分裂.Methods Three different...

astron的音标：...