【cycle音标】 英[ˈsaɪkl] 美[ˈsaɪkl]
【单词释义】 cycle是什么意思：
n.循环，周期；自行车；时代，一段时间；整套
vi.周而复始，使)循环；骑自行车；轮转
vt.运转，循环；使轮转
[单词分级] 高考英语词汇
[单词复数] cycles [第三人称单数] cycles
[单词现在分词] cycling
[单词过去式] cycled
[单词过去分词] cycled
【关联词/派生词】
cyclist n.骑自行车（脚踏车）的人
cyclical adj.循环的；周期的；环状的
cyclic adj.周期的；循环的；环的；轮转的
【cycle形近词/近似词】
bicycle n.自行车
motorcycle n.[Br.]摩托车 vi.骑摩托车
recycle v.回收利用;再利用
【单词例句】
◇ Since transporting fare was expensive, she decided to use a bicycle to cycle there not caring about the disadvantages.
因为交通费用昂贵，她决定骑自行车去，毫不担心其中的不利情况。
---- A Hard Trip
◇ The results suggested that good cardiorespiratory fitness – an individual's ability to engage in sustained aerobic exercises such as running, cycling, and swimming – was associated with a 42% reduced risk of lung cancer, a 40% reduced risk of liver cancer and a 39% reduced risk of oesophageal cancer.
结果表明，心肺健康的人患肺癌、肝癌和食管癌的风险分别降低42%、40%和39% ———— 心肺健康意味着能够从事跑步、骑车、游泳等持续的有氧运动。
---- Fitness earlier in life reduces cancer risk when older
◇ The first thing to remember is to wash dark colors inside out in a cold wash with a slow spin cycle as this will help to stop the colors bleeding out of the fabric.
首先要记住，清洗深色衣物时要里面朝外，用冷水慢洗，这样能防止衣物掉色。
---- How to hang, wash, and care for clothes
◇ For your nose, this system controls your 'nasal cycle', so that each nostril operates effectively.
对你的鼻子而言，这一系统控制着你的“鼻子循环”，便于每个鼻孔有效工作。
---- Only One Side of Your Nose Gets Blocked at a Time
◇ The LED screens of our smartphones, tablets, and laptops, for example, give off what is called blue light, which studies have shown can damage vision and suppress production of melatonin, a hormone that helps regulate the sleep cycle.
比如智能手机、平板、和笔记本电脑的显示屏会发出蓝光，研究显示蓝光损害视力，抑制褪黑激素的生成。褪黑激素有助于调节睡眠周期。
---- Bad habits you should break
◇ "After a short first-use cycle, 95% of plastic packaging material value, or $80 billion to $120 billion annually, is lost to the economy," the WEF said in a report.
世界经济论坛在其报告中指出：“塑料袋的首次使用周期很短，由于再用率低下，95%的塑料袋都白白浪费掉了，造成的经济损失每年高达800亿至1200亿美元。”
---- More plastic than fish in oceans by 2050
◇ Circadian rhythms are our internal clocks that tell our bodies when to get up, eat and sleep throughout 24-hour cycles. Many studies have found that work which syncs with our circadian rhythms results in greater productivity and less fatigue. Even space agency Nasa has monitored circadian rhythms to improve astronauts' productivity and health.
生物昼夜节律是人体的生物钟，告诉我们的身体在一天中何时起床、吃饭和睡觉。很多研究发现，工作时间与昼夜节律吻合能提高工作效率，减少疲劳。连美国航天局也在监控宇航员的昼夜节律，以提高工作效率，改善健康状况。