在这些化合物里, 环戊二烯环只有4个氢.In there compounds, the cyclopentadiene ring has only four hydrogens.聚二烯基本分子结构是一良好的燃烧剂.The polydiene basic molecular structure is an excellent fuel.所加的反应物可以是二烯烃 、 环二烯烃.The feed reactants can be alkadi...
The skyline of domes and minarets was imprinted on my memory.天空中穹顶与尖塔的轮廓深深刻在了我的记忆中。The domes are circular or ovoid in cross - section .穹丘的 横断面 为圆形或卵圆形.Parks. The facilities highlighted in text include sport complexes and...
While so preoccupied, he forgot his usual cautiousness.在这么乱想的时候, 他忘了素日的谨慎.They always trusted in his cautiousness.他们对他办事谨慎一向是信赖的.We always trust in her cautiousness.我们对她办事谨慎一向是信赖的....
She turned scarlet from embarrassment, once she realized what she had done.她意识到自己做了什么后羞红了脸。The facts could cause embarrassment if they ever became public.一旦披露出去，真相会让人非常尴尬。I wanted to spare Frances the embarrassment of di...
直血管降支呈束状进入髓质.The descending vasa recta run in bundles into the medulla.髓质血流汇入粗而短的薄壁静脉.Blood from the medulla enters short, stout, thin - walled veins.某些近髓质肾小球具有两种出球小动脉.Some juxtamedullary glomeruli have two efferent arte...