碳的诸多同位素the many isotopes of carbon碳的化合价是4价。Carbon has a valency of 4.通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素.Epoxidation and oxidation gave the racemic C 18 - juvenile hormone....
He was fond of marmalade.他爱吃橘子酱。I had toast and marmalade this morning.今天早晨我吃的是烤面包加果酱.Lally was spreading marmalade on a piece of toast.拉莉在一片吐司上涂柠檬果酱....
He struts and preens like a peacock and believes he is worthy of adoration.他像孔雀一样趾高气扬,认为自己应该受到爱戴.She needs and wants to be loved with overwhelming passion and adoration...她需要并想要被爱的滔滔激情和倾慕所包围。Genitalia adoration is the in...