He was criticised for being boring, strait-laced and narrow-minded.他被指无趣乏味，古板守旧，心胸狭窄。He verbally laced into his son for his misbehaviour.他严厉斥责儿子的行为不端.He laced up his boots.他系紧靴子的鞋带....
It's a long way to go for two people in their seventies.对于两个七十几岁的人来说，这段路太远了。He lost two stone in weight during his time there.他在那儿的时候体重下降了2英石。I undid the bottom two buttons of my yellow and grey shirt.我解开了自己黄灰相间的衬衫上...
A complete bipartite graph is a simple bipartite graph with bipartition.完全偶图是具有二分类的简单偶图.If enough edges have been drawn to make the figure connected the graph is called bipartite.如果有足够的线使图连通,这图称为双图.This graph is NOT bipa...