Its metallation and addition to cyclopentanone proceeded well to 40.其金属取代物能和环戊酮顺利地反应得到40.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.Methyl dihydrojasmonate was synthesized fro...
那男孩用石子掷击小流氓的背脊.The boy gave the bully a pelt on the back with a pebble.男孩子喜欢在湖面上用石子打水漂.The boys liked to skip stones on the lake.他们也许是用石子来作计算的, 因“calculus ” 这个字原意是 “ 石子 ”.They may have used pebbles to calculate, for the ...
The foregoing paragraphs were written in 1985.前面的几个段落写于1985年。He transcribed two paragraphs from the book into his notebook.他把书中的两段抄在笔记本上.The text falls into three paragraphs.这篇课文共分3段....
Objective : To explore the clinicopathological, immunohistochemical feature and therapeutic methods of hyperkeratosis lenticularis perstans.目的: 提高对持久性豆状角化过度症的认识,探讨其临床、病理 、 免疫组化特征及治疗方法....
The use of steam originated many other reforms.蒸汽的使用引起了许多其他变革.Their marriage reforms, assumes a light and hypocritical companionship.他们的婚姻生活却从此变了样, 而变为一种浮而不实的伴侣关系.The use of the computer has originated many other reforms...
I could hear his broken shoes squelching in the water.我可以听到他的破鞋在水中格喳格喳作响.The armies got bogged down in the thick squelching mud.军队都陷入泥沼中,行进时烂泥扑哧作声.After squelching along a muddy road for a long, hard time, he finally got...
We were flying over the gorge , and Cas spotted him.我们飞跃峡谷上方的时候,克斯看见了他.CAS and artillery are the major force multipliers for SF troops.CAS和火炮是为特种部队配备的火力.Now you can choose them in CAS and using the cheat.现在你可以直接在CAS里面 选择...