It was prepared by the reaction of 12 H - dibenzo [ d , g ] [ 1,3 ] dioxocin - 6 - carboxylic acid with acetoxime. 由二苯并-1,3-二氧杂 - 环辛烷 -2- 羧酸经两步反应制得, 总收率70%.
Too rich a diet will disorder your digestive system.过分油腻的饮食会使你的消化系统失调.Parkinson s disease ( PD ) is a degenerative disorder characterized by a loss of midbrain dopamine ( DA ) neurons.帕金森病 ( PD ) 是一种以中脑多巴胺神经元丢失为特征的 中枢神经 ...
其中之一是森林产权, 或森林产权的缺失.Forest title, or the lack of it, is one.了望,审视用光学仪器了望 ( 例如,一片土地或森林 )To scan ( a tract of land or forest, for example ) with an optical instrument.以下灾难求生注意事项其他灾难通用, 比如洪水或森林火灾什么的.This list can also be ap...
He lowered his legs until he felt he had a solid foothold on the rockface beneath him.他把腿向下伸，直到他感觉稳稳地踩住下面的石头。The cave led back into the rockface and the earth by the entrance was dry.这个洞穴通向岩面,洞口处是干土....
他抓得很紧，但她还是掰开他的手，把它拿走了。He held on tight but she prised it from his fingers.那些狗继续用爪子疯狂地抓铁丝网。The dogs continued to paw and claw frantically at the chain mesh.突然上升的高度让她晕头转向，她抓得紧紧的。The sudden height dizzied her and she clung ...