Homoserine has also been implicated in the biosynthesis of methionine.同型丝氨酸也牵涉到蛋氨酸的生物合成.Glycine and succinyl - CoA are precursors of 5 - aminolevulinic acid ( ALA ) biosynthesis.甘氨酸和琥珀酸是红假单胞菌生物转化合成5-氨基乙酰丙酸 ( ALA ) 的前体.Ob...
他们的企图可耻地失败了.Their attempt failed ignominiously.他可耻地虐待自己的狗.He misused his dog shamefully.只有少数人这样做了, 而意大利和德国可耻地选择了沉默.Few have done that so far ; the Italians and Germans in particular have been shamefully silent....
The exploit machination is in backward status in tourism research usually.旅游地开发策划历来在旅游研究领域里处于比较滞后的地位.The spy , a past master of machination and maneuver, was caught at last.这个老奸巨滑的间谍终于被逮住了....