表示有意义的英语单词有significant和meaningful等等。短语：significant difference，显著性差异。例句：.She gave me a meaningful look.她意味深长地看了我。
icant 英 [sɪɡˈnɪfɪkənt] 美 [sɪɡˈnɪfɪkənt]
adj. 重大的；有效的；有意义的；值得注意的；意味深长的
短语：
significant difference 显著性差异
significant change 显著变化；有效变化量
statistically significant 统计上显著的
significant amount 大量；有实义金额；巨数
significant development 重大进展；长足发展
例句：
1.There are significant parallels with the 1980s.
与20世纪80年代有显著的相似之处。
2.Taken together , these factors are highly significant.
这些因素综合起来看就很重要了。
3.The company looks poised to make a significant breakthrough in China.
该公司看上去稳将在中国实现一次重大突破。
4.The research is too unfocused to have any significant impact.
这一次的研究太零散，难以发挥重大的作用。
5.Your work has shown a significant improvement.
你的工作有了显著改进。
6.The learner's attention needs to be directed to the significant features.
学习者的注意力需要集中在重要特征上。
7.The navy played a limited but significant role in defeating the rebellion.
在平息叛乱中海军起了有限但却重要的作用。
8.The accident is already shaping up as a significant environmental disaster.
这个事故已经酿成为一场重大的环境灾难。
9.It is significant that girls generally do better in examinations than boys.
很明显，女生的考试成绩一般比男生的好。
10.The laxity of export control authorities has made a significant contribution to the problem.
出口管理当局的松懈是导致此问题的重要因素。
11.The retail sector has been a significant underperformer.
零售部是明显表现不佳的部门。
12.The offer of talks with Moscow marks a significant change from the previous Western position.
与莫斯科会谈的提议标志着先前西方立场的一个重大转变。
13.If all the coronary arteries are free of significant obstructions, all parts of the heart will receive equal amounts of oxygen.
如果冠状动脉没有重大堵塞，心脏的各个部位会收到等量的氧气。
14.They have had a significant change in policy on paternity leave.
他们对男人休产假制度作出了重大改变。
15.The police spokesman said: "We believe there has been a significant development in the case."
警方发言人说："我们认为此案已有重大进展。"
gful 英 [ˈmiːnɪŋfl] 美 [ˈmiːnɪŋfl]
adj. 有意义的；意味深长的
短语：
meaningful learning 有意义的学习
例句：
1.A sentence can be divided up into meaningful segments.
一个句子可以划分成有意义的各个部分。
2.Instead of rushing at life, I wanted something more meaningful.
我不想在生活中忙忙碌碌，而想做更有意义的事。
3.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．
4.Warren said, "We have had meaningful negotiations and I believe we are very close to a deal."
沃伦说："我们已经进行了富有意义的谈判，我相信我们很快就能达成协议。"
5.She gave me a meaningful look.
她意味深长地看了我一眼。
6.I think watching TV every evening is a waste of time — there are more meaningful things to do.
我觉得看电视很浪费时间，我们可以利用这些时间做更多有意义的事。
7.The man feel meaningful about his trip.
这个人觉得这趟旅行很有意义。
8.High-speed electronic communications media, such as electronic mail an television, tend to prevent meaningful and thoughtful communication.
高速的电子通讯媒介，如电子邮件和电视，往往会妨碍有意义和有思想的交流。
9.Before we do the test, we're going to calculate what we would predict, so when we do the demo it will be meaningful.
在我们做测试之前，我们先算一下我们能预知什么，这样在进行演示时会是有意义的。
10.What kind of education can be "meaningful" to young people affected by violence?
对受到暴力影响的年轻人来说，怎样的教育才是有意义的？
11.Knowing that what we have done is meaningful to others made me feel enthusiastic.
知道我们所做的事情对别人来说是有意义的，这让我充满了热情。
12.Many people welcome the chance to do meaningful things, even if they will get no pay.
很多人都希望有机会做一些有意义的事情，即使没有报酬。
13.It's much wise to set aside some time to accompany parents or do something more meaningful.
留出一些时间陪伴父母或做一些更有意义的事情是很明智的。
14.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。
15.If you do something meaningful, you will have a bunch of reasons to go through the day full of energy.
若你做了一些有意义的事情，便会有一大捆理由使你度过一个充满活力的一天。
