分类：教育/科学-学习帮助
问题：填写单词（后面是对这个单词的描述），急急急急急急急急急急急急急急? 
_______________:cle connection that people have with each other_______________:home made in a tree usually for a bird________________:to move away from a place;to leave________________:task that requires a lot of time and effort
回答：impinge:紧密接触
nest：鸟巢
away:离去