In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexad...

ichthyolform的音标：ichthyolform的英式发音音标为：[ɪkθ'ɪʊlfɔ:m]ichthyolform的美式发音音标为：[ɪkθ'ɪʊlfɔm]...

Our driver strolled up, huge and swarthy.我们的司机悠闲地走了过来，他身材高大，肤色黝黑。He had a broad swarthy face.他有一张黝黑的大脸。She was tall , slim, rather swarthy, with large saucy eyes.她瘦高个, 皮肤黝黑, 有一双漂亮的大眼睛....

n.鱼恐怖...

demethylchlortetracycline的音标：demethylchlortetracycline的英式发音音标为：[dɪmeθɪlklɔ:'tetrəsi:]demethylchlortetracycline的美式发音音标为：[dɪmeθɪlklɔ'tetrəsi]...

羞红症...

乙苄托品...

hydroxyethylation的音标：hydroxyethylation的英式发音音标为：[haɪ'drɒksɪeθɪ'leɪʃən]hydroxyethylation的美式发音音标为：[haɪ'drɒksɪeθɪ'leɪʃən]...

甲基胞苷，甲野靛硷...

Snoring can also be a symptom of diabetes or hypothyroidism.打鼾可能是糖尿病或甲状腺机能减退的症状.The cause of these changes was subsequently found to be hypothyroidism.最终发现这些改变的原因是甲状腺功能减退.Patients with central sleep apnea syndrome, hypot...

可卡因...

Objective To analyze effect of propyl gallate in patients with ischemic cardiomyopathy.目的研究培丙酯对缺血性心肌病的治疗作用.Objective To study the surgical treatment of the acromegalic cardiomyopathy.目的探讨肢端肥大症性心肌病的神经外科手术治疗和疗效.Autoimmunit...

Ethyl acetate ( 71 . 41 b ) was added to the slurry in the vessel.把醋酸乙酯 71.4 磅加到容器中的浆液内.These peaks correspond to side - chain cleavage of the ethyl and propyl groups respectively.这些峰分别相当于乙基和丙基的侧链开裂.In benzene or ethyl a...

Ichthyophys的音标：...

乙炔化（作用）...

n.未熟卵核...

N, N - diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺....

dimethylbenzidine的音标：dimethylbenzidine的英式发音音标为：[daɪmeθɪl'benzɪdi:n]dimethylbenzidine的美式发音音标为：[daɪmeθɪl'benzɪdin]...

乙基麻黄碱...

Several kinds of novel extraction solvents were presented which mainly included N - formylmorpholine, dimethyl formamide, etc.介绍了石油化工领域采用的几种优良抽提剂,包括N - 甲酰吗啉 、 二甲基甲酰胺等.Process for synthesizing dimethyl phthalate ( DMP ) f...

乙基噻吩...

hexamethylamine的音标：hexamethylamine的英式发音音标为：[heksæmeθɪ'læmaɪn]hexamethylamine的美式发音音标为：[heksæmeθɪ'læmaɪn]...

肝脾病...

ichthyootoxism的音标：ichthyootoxism的英式发音音标为：[ɪkθaɪu:'tɒksɪzəm]ichthyootoxism的美式发音音标为：[ɪkθaɪu'tɒksɪzəm]...

dermatopathy的音标：dermatopathy的英式发音音标为：[dɜ:mə'tɒpəθɪ]dermatopathy的美式发音音标为：[dɜmə'tɒpəθɪ]...

bathyal的音标：bathyal的英式发音音标为：['bæθaɪəl]bathyal的美式发音音标为：['bæθaɪəl]...

Malacichthyes的音标：...

甲基钾...

n.探海艇，深海潜水器...

The mechanics work hard to keep the he-licopters airworthy.机修工努力维持直升机的飞行性能。The airplane is airworthy.这架飞机是适于飞行的.Crews were even dispatched to determine if any of the aircraft could be made airworthy.全体机组人员甚至被派去确定所有飞机的性能都...