He stonewalled against the motion.他以冗长的演说阻挠了那项动议的通过。Touch on anything in his personal life and you'll be stonewalled.一旦触及任何关于他私生活的事,你就得小心了.Nixon stonewalled the Watergate investigation.尼克松阻碍水门事件的调查....
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.Cottonseed meal is deficient in lysine, methionine and leucine.?澍宸廴狈?蛋彼幔0蛋氨酸和亮氨酸.The article discussed the effects of zinc methionin...