light-year的例句（light-year在句子中的用法）

• ...the 1990/91 academic year... 1990—1991学年
• She's done quite a bit of work this past year... 过去的一年里她做了不少工作。
• The museums attract more than two and a half million visitors a year... 这些博物馆一年能吸引逾250万名参观者。
• We had an election last year. 去年我们进行了一次选举。
• The year was 1840... 那是1840年。
• His mother inherited a farm worth 15,000 dollars a year... 他母亲继承了一处年产值为1.5万美元的农场。
• Sound waves, light waves, and radio waves have a certain frequency, or number of waves per second. 声波、光波或无线电波等都有特定的频率，或者说是每秒的波数。
• Up to 10 million tonnes of toxic wastes are produced every year in the UK. 英国每年会产生多达1,000万吨的有毒废弃物。
• Up to 1989, the growth of per capita income averaged 1 per cent per year. 一直到1989年，人均收入每年平均增长1％。
• It was a great year for music, people had money, opportunities, hope—things were on the up and up. 对音乐而言，那是一个大好年头，人们有钱，有机会，有希望——一派欣欣向荣的景象。
• The traffic laws don't take effect until the end of the year... 交通法要到年底才生效。
• This famous horse race has taken place here twice a year since 1310. 这一著名的赛马比赛自 1310 年以来每年在这里举行两次。
• My little grandson is no trouble at all, but his 6-year-old elder sister is rude and selfish. 我的小孙子一点都不让人操心，但是他6岁大的姐姐却野蛮而又自私。
• Light travels at around 300,000,000 metres per second. 光以每秒约 30 万公里的速度传播。
• The light aircraft then cartwheeled, trapping both men... 这架轻型飞机接着一个侧翻，把两个人都困住了。
• Traffic in illicit drugs was now worth some 500 thousand million dollars a year. 如今每年非法毒品的交易值约在 5,000 亿美元。
• Traffic was unusually light for that time of day. 对于一天中的那个时间段而言，来往车辆少得有些不寻常。
• An extra 700 jobs are being cut on top of the 2,000 that were lost last year. 除了去年被裁掉的 2,000 个职位，还有700个岗位在裁撤中。
• Management consultancy was the top choice of career among 11,500 students in a survey this year… 在今年一项对 11,500 名学生进行的调查中，管理顾问是首选职业。
• Prince Edward threw the switch to light the illuminations. 爱德华王子按动开关亮起彩灯。