adj. 有意义的，重要的；（指眼神、姿势）意味深长的，意在言外的；浅显易懂的
meaningful learning有意义的学习
词根：mean
adj.
mean 平均的；卑鄙的；低劣的
meaning 意味深长的
meaningless 无意义的；无目的的
adv.
meaningfully 有意义地；意味深长地；有意图地
n.
mean 平均值
meaning 意义；含义；意图
meaningfulness 有意义，富有意义
meaninglessness 无意义；无道理
v.
meaning 意味；意思是（mean的ing形式）
vi.
mean 用意
vt.
mean 意味；想要；意欲
1.Because hip-hop is a form that's familiar and meaningful to you.
因为嘻哈音乐是一种你们熟悉且对你们有意义的音乐形式。
2.The bookstore holds many meaningful events, such as reading, discussions and story hours.
这家书店会举办很多有意义的活动，比如阅读、讨论和故事会。
3.Less important than ever is developing a meaningful philosophy of life.
发展有意义的人生哲学，比以往任何时候都微不足道。
4.I'm not certain it's meaningful unless you are in the habit of giving your furniture personal names.
我不确定它是否有意义，除非你有给家具起人名的习惯。
5.Seek true pleasure to have a meaningful, happy life.
寻求真正的快乐来获得有意义的、幸福的生活。
6.Upon the utterance of this word, Dan and Harry exchanged a quick, meaningful look.
这个字一出口，丹和哈里马上交换了一个意味深长的眼神．