The latter arises from abstraction of the somewhat lesser activated C - H bond in the dioxolane.后者是由二氧杂环戊烷中活化较弱的C -H 键离解而产生的.Twisting arises in boards through the presence of spiral or interlocking grain.翘曲多发生在螺旋或交错纹理的板材...
Having identified the problem, the question arises of how to overcome it.发现问题后，如何克服它的问题又出现了。Any unexpected circumstance that arises may catalyze a sudden escalation of violence.任何突如其来的情况都可能造成暴力骤然升级。This type of inefficie...
他听说奖杯已经被卖掉了。He had heard that the trophy had been sold.他的名字刻在奖杯上。His name was inscribed on the trophy.那只奖杯是该公司很珍惜的奖品.The cup is a cherished trophy of the company....
他望着海面,看到两条犁头鲨游近来了.Watching, he saw two shovel nosed sharks closing in.让你的大车和犁头碾着死人的白骨前进吧.Drive your cart and your plow over the bones of the dead.研究了氢化可的松生产菌蓝色犁头霉原生质体的形成与再生.Protoplasts were obtained from Absidia coerulea...
Until now, a devaluation of the dollar seemed inconceivable.直到现在，美元的贬值似乎都无法想象。It will lead to devaluation of a number of European currencies.这将会造成数种欧洲货币的贬值。He blamed injudicious comments by bankers for last week's d...
There is reflux of barium into the terminal ileum.钡剂反流进入回肠末端.Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.Objective To assess the EKG occurring in acute bar...