【maintain音标】 英[meɪnˈteɪn] 美[meɪnˈteɪn]
【单词释义】 maintain是什么意思：
vt.保持；维修，保养；坚持(意见)；固执己见
[单词分级] 大学英语四级词汇
[第三人称单数] maintains
[单词现在分词] maintaining
[单词过去式] maintained
[单词过去分词] maintained
【maintain形近词/近似词】
britain n.不列颠，英国
mountain n.山，山岳；大量
retain vt.保持；保留；保存
contain vt.包含，容纳
fountain n.人造喷泉
obtain v.获得，得到；通用；流行；存在
captain n.船长；队长；上尉
detain vt.拘留，扣留；扣押；耽搁，阻留
attain v. 得到；达到；获得
【单词例句】
◇ After all, our kidneys and liver depend on water to get rid of toxins in our bodies, and water also plays a key role in maintaining skin's elasticity and suppleness. It's the cheapest moisturizer you'll find.
毕竟，我们的肾和肝依靠水来排除身体里的毒素，而且水对于保持皮肤的弹性和柔软也起到了关键作用。水是你能找到的最便宜的润肤品。
---- Which drink is best for hydration? Hint: It isn't water
◇ She was curious to know how many steps you need to take a day to maintain good health and live a long life, so she and her colleagues designed a study that included about 17,000 older women.
她很想知道人们每天需要走多少步才能保持健康和长寿，所以她和同事们设计了一项有1.7万名老年女性参与的研究。
---- How Many Steps You Need To Take A Day To Maintain Good Healt
◇ "Even if we maintained the current status quo and not a single other carbon molecule was released because of human activity," he said, "we'd still see the effects of climate change for at least 300 years from just the emissions that are already in the system."
他说：“即使我们维持目前的现状，不再因为人类活动而有更多的碳排放，但由于生态系统中已经存在的碳排放，在未来300年内，我们仍然可以看到气候变化的影响。”
---- World's population could swell to 10.9 billion by 2100
◇ "Plus the costs remain quite high: buying and maintaining the robots, operating costs, etc."
“此外，送货机器人的成本仍然很高：包括购买和维护成本、运营成本等。”
---- 'Little yellow horse' robot delivers useful service in China