凯西·施滕格尔可能是棒球界最有趣的人物。Casey Stengel was probably the most colorful character in baseball.对不起，凯西，我不是有意要跟你凶的。I'm sorry, Casey, I didn't mean to snap at you like that.如果凯西是对的，清理的总花费将达1,100亿美元。If Casey is correct, th...
I actually knew her, but in overalls I passed unrecognised.实际上我认识她，但是我身着工作服，与她擦身而过的时候却没被认出来。Hard work and talent so often go unrecognised and unrewarded.努力和天赋经常不被认可，也得不到回报。There really is a wealth of unrecognised talent ...
聚丁二烯经一系列反应转变成丙啶基化合物 ( 聚丁二烯亚胺 ).Polybutadiene is changed to an aziridinyl compound ( polybutadieneimine ) by a series of reactions.丁二烯的衍生物,用于聚合制成氯丁橡胶.A synthetic rubber made from the polymerization of butadiene sodium.利用哈...