在热闹广场的另一边，摊贩叫卖着热狗和羊角三明治。Across the busy plaza, vendors sell hot dogs and croissant sandwiches.她从街角的小摊上买了个热狗。She bought a hot dog from a stand on a street corner.他呼哧呼哧地吃掉了两个热狗。He chomped his way through two hot dogs....
以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.双长链烷基甲基叔胺是脂肪醇和二甲胺催化胺化反应的主要 副产物.Dialkylmethylamines are the ...
你相信冥冥中的安排吗？Do you believe in a cosmic plan?今我游冥冥, 弋 者何所慕?" Bird - hunters will crave me in vain , For I roam the limitless sky . "皮安尼在暗冥冥的光中看着我.Piani looked at me in the half - light....