glycols什么意思解释

glycols的音标：glycols的英式发音音标为：[ɡlaɪ'kɒlz]glycols的美式发音音标为：[ɡlaɪ'kɒlz]...

Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E - 300 ) were prepared.以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.A new process of Hydration of propylene oxide ...

v.打（麦等）( thresh的过去式和过去分词 )，脱粒，反复地做，推敲...

chlormethane的音标：chlormethane的英式发音音标为：[klɔ:mi:'θeɪn]chlormethane的美式发音音标为：[klɔmi'θeɪn]...

n.软骨发生，软骨形成...

thermotaxis的音标：thermotaxis的英式发音音标为：[ˌθɜ:mə'tæksɪs]thermotaxis的美式发音音标为：[ˌθɜmə'tæksɪs]...

n.棒球手...

Ichthyobdellidae的音标：...

clara的音标：...

cenesthetic的音标：cenesthetic的英式发音音标为：[se'nesθetɪk]cenesthetic的美式发音音标为：[se'nesθetɪk]...

v.使穿衣袍( enrobe的过去式和过去分词 )...

darkroom的复数形式为：darkrooms...

discolored的音标：discolored的英式发音音标为：[dɪs'kʌlərd]discolored的美式发音音标为：[dɪs'kʌlərd]...

我在帐篷里帮忙打杂。I helped out in the tents fetching and carrying.赫斯特伍德却在另一家旅馆里打杂.Hurstwood is hired by a different hotel to do menial jobs.汤姆为一些高年级学生打杂.Tom fagged for some elder boys....

“山谷”的拼音为：shān gǔ...

adj.扬净的，风选的v.扬( winnow的过去式和过去分词 )，辨别，选择，除去...

他参与了石油、锌和铅的勘探。He was involved in oil, zinc and lead prospecting.黄铜是铜锌合金。Brass is an alloy of copper and zinc.铜与锌熔合成黄铜the fusion of copper and zinc to produce brass...