Isomerization occur during bromine reaction, that is mean secondary allylic configuration changes into primary allylic configuration. 在溴化反应过程中存在分子结构重排, 即溴代仲位烯丙基构型向溴代伯位烯丙基构型发生转化.
通报者透露匪徒中有一人手中有枪.The informer said that one of the gang would have a revolver.“宣告者” ( 即通报者, 传禧信者 ) 则指那当众宣告信息的.The noun proclaimer, herald ( keryx ), refers to one who proclaims news publicly....
Do not stay on the humps too long. Move on!不要在山丘上停留太久, 继续前进!Camels do not store water in their humps, as people often think.与人们经常认为的不同,骆驼不是把水储存在骆峰里.As their fat is depleted, the humps become floppy and flabby.当驼峰储存的脂肪被用光...
She inherited her mother's gift for devising drapery and costume.她倒是继承了她母亲那种制作服装衣饰的天才.From her mother she inherited warmth of nature and dusky, semi - tropic beauty.她从母亲那儿秉承了热情的性格和亚热带的那种皮肤微黑的美....people who have inh...
基肥与追肥之间肥效无显著差异.There was no obvious difference between base fertilizer and after manuring.将矿物材料用于肥料中,可以提高肥效,改良土壤.Fertilizer efficiency can be improved by adding mineral materials.尽管有这些优点, 但常见的施肥措施造成尿素肥效不高.Despite these a...
This led Zagreb's twin town, Mainz, to donate £70,000-worth of high-quality equipment.这使得萨格勒布的友好城市美因茨捐赠了价值7万英镑的高品质装备。Passers-by in the area have been treated to some high-quality busking.路过这一带的行人听到过水平很高的街头演唱。It is a...