腐殖酸通常被看作是芳烃化合物的聚合物.Humic acids are usually regarded as polymers of aromatic compounds.芳烃加氢饱和及开环反应是一种提高柴油十六烷值的有效途径.Its hydrogenation activity in aromatics saturation and ring opening activity were investigated.扬子石化芳烃厂吸附塔出...
Not a very creditable attitude, I'm afraid.这种态度恐怕不怎么道德。They turned out a quite creditable performance.他们上演了一场相当精彩的表演。Experience, however, might supply us with very creditable imitations of it.然而经验能给我们提供非常可靠的摹拟品.The ...
'I am afraid of it,'she answered , shuddering.“ 我害怕, ” 她发着抖,说.She drew a deep shuddering breath.她不由得打了个寒噤,深深吸了口气.With the gloom of the contraltos added , one could scarcely help shuddering.紧接着是忧郁的女低音, 谁都禁不住直打寒战...
木料被锯成大块的薄板。The wood was cut into large sheets of veneer.环并不是看上去那样的固体薄板.The rings are not the solid sheets they appers to be.松木桌面镶有一层桃花心木的装饰薄板.The pine table top is overlaid with a mahogany veneer....
Others who were guilty were being allowed to get off scot-free.其他犯罪人员不予处罚。They got off scot-free because of lack of evidence.由于证据不足，他们得以逍遥法外。The 42-year-old Scot has guided the team to victory in three of their last five...