Both the R groups are alkoxy residues.两个R基团都是烷氧基.R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基....
The poor man must have bats in the belfry -- he wears such peculiar clothes.这个可怜的人准有点疯 -- 他穿这么怪的衣服.Belfry: bell tower , either freestanding or attached to another structure.钟楼: 独立的或附在另一建筑上的钟楼.There also had been hundreds...
Hedgehog Fungus is rich in protein, fattiness , carbohydrate and many kinds of vitamins necessary for human.含有丰富的蛋白质 、 脂肪 、 碳水化合物及人体所需的多种维生素等.Being with much protein, aminophenol, mineral and microelement but little fatt...
We need more young scientists to fill the gap left by a wave of retirements expected over the next decade...我们需要更多年轻的科学家来填补预计未来10年退休高峰带来的人才缺口。There have been several retirements in my office recently.最近我那办公室里有几个人退休了.We&#...
Heine: In a similar way to the Bochum game.海涅: 与波鸿的比赛相似.Heine: Yes. Which makes the performance even more satisfying. They believed in their own abilities.海涅: 是的.这也使他们的表现更令人满意了. 他们相信自己的实力.We also serve as the Heine branc...