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....
Bibcock coping has private aircraft parking area even.龙头顶部甚至有私人停机坪.However, below coequal market condition, some bibcock industries are vibrant, some halberd heavy sand however.然而, 在同等市场条件下, 有的龙头企业生气勃勃, 有的却折戟沉沙.Advance p...
Drugs are a problem that requires constant vigilance.需要对毒品问题长期保持警惕。Calumny requires no proof.诽谤无需证据。All citizens must do as the law requires.凡是公民均应按法律的要求办事。The brain requires a constant supply of oxygen...大脑需要持续供氧。He...
上诉法庭已经撤销对所有11人的判决。The Appeal Court has quashed the convictions of all eleven people.上诉法院法官沃特金斯撤销了对他作出的9个月徒刑的判决。His nine-month sentence was overturned by Appeal Court judge Lord Justice Watkins.除非撤销对她的谋杀指控，否则她拒绝作证。She ref...