Cation - anion exchange resin can crack and disassemble bond - chromatography , doff the bond - large - molecule and dissociate paclitaxel.阴阳 混合离子交换树脂可以使键合态紫杉醇发生裂解, 脱去键合的大分子物质,游离出紫杉醇....
他称宝丽来照相机是老天爷特意为他的工作赐予的宝贝。He called the Polaroid camera a godsend to his work.生命是上天赐予我们的礼物，能否好好享受这个礼物，取决于我们自己。God gave us the gift of life; it is up to us to give ourselves the gift of living well.命运是赐予者,也是掠夺者.Fortune is ...
我无法克制自己的食欲，当人们不理解而叫我贪吃鬼的时候心里别提有多难受了。I can't control my eating. It's hard when people don't understand and call you a glutton." 我要去活剥那个黑鬼的皮, " 他低声说." I'm going to skin that nigger alive, " he said quie...
With success and prosperity, John was finally able to ease off.(事业)成功之后, 约翰终于能够轻松些了.The border agreement was signed, the tension between the two countries began to ease off.边境协定签订以后, 两国间的紧张关系开始缓和下来.The child asked his pa...