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...
麦克阿瑟将军曾是太平洋战区盟军的最高统帅。MacArthur was Supreme Commander for the allied powers in the Pacific.给战区提供人道主义援助to provide humanitarian aid to the war zone我们飞越战区摄影。We overflew the war zone, taking photographs....
他打电话给劳拉看她是不是好些了。He'd phoned Laura to see if she was better.你得讨卡梅拉的欢心。You'll need to get on the right side of Carmela.经过3个周末的追求之后，帕梅拉接受了伦道夫的求婚。After a three-weekend courtship, Pamela accepted Randolph's pro...