She only sees her parents once every six months.
她每半年才探望一次父母。
The satellite revolves around the earth once every hundred minutes.
该人造卫星每100分钟绕地球旋转一圈。
He will visit once every two weeks to see how his new employees are progressing.
他将每两周视察一次以看看他的新雇员们进展如何。
Try to drink some water at least once every hour.
尽量每小时至少喝一次水。
Come to the "tomato fight" in Spain! Once every year, people in the town of Bunol throw tomatoes at each other.
来参加西班牙的“西红柿大战”吧！每年一次，布诺尔镇的人们都会互相扔西红柿。
The dated isotope record shows that the fluctuations in global ice volume over the past several hundred thousand years have a pattern: an ice age occurs roughly once every 100,000 years.
同位素年代记录显示，过去几十万年全球冰量的波动有一个模式：冰河期大约每10万年发生一次。
If your child is sleepwalking at least once every night, it's best to see a doctor.
如果你的孩子每晚至少梦游一次，最好去看医生。
A survey found that adults checked their smartphones 85 times a day, or once every 10 minutes.
一项调查发现，成年人每天查看智能手机85次，即每10分钟查看一次。
We should drink some water at least once every hour and try to make our water last longer in the Sahara.
我们应该至少每小时喝一次水，并努力使我们的水在撒哈拉沙漠中保存更长时间。
As our agent, you should send us your market report regularly at least once every three month.
作为我方的代理，贵方应至少每三个月向我方定期寄来贵方的市场报告。
Indianapolis is best known for the Indianapolis 500, which is a popular 500-mile (805 km) automobile race held once every year.
印第安纳波利斯最著名的赛事是印第安纳波利斯500，这是一场每年举行一次的、受欢迎的500英里（805公里）汽车赛。
Once every three or four years, when conditions are right, the lake is covered with the pink birds as they stop flight to breed.
每隔三四年，条件适宜时，湖面上就会布满火烈鸟，它们停止飞行开始繁殖。
You would have to raise everything about 30 centimeters once every 30 years, so why not make the job easier by making houses that can float.
你每30年就得把所有东西提高30厘米左右，那么为什么不建造一座可以漂浮的房子来简化这项工作呢？
They cocktailed once every week.
他们每星期喝一次鸡尾酒。
That's more than once every three days.
每三天一次！
The Olympic Games take place once every four years.
奥林匹克运动会每4年举行一次。
They came once every six months and lasted a fortnight.
她每六个月来经一次，每次为时两星期。
The Council conferences are convened once every two years.
理事会每二年举行一次会议。
Plan your shopping for a couple hours once every two weeks.
计划好你要买的东西，每隔两周去购物一次。
I have childhood friends whom I see only once every ten years.
我儿时的伙伴，每隔十年才会见一次。
Gravity waves have a frequency of about once every 30 seconds.
重力波的频率为每30秒一次。
Ido the towels and sheets once every two weeks, in an extra load.
我每两周洗一次毛巾和床单被罩，这算是额外的工作量吧。
That saves money too—gearing up once every ten years is expensive.
这样还能省钱，每十年大张旗鼓地准备一次普查费用高昂。
Parliamentary elections every year, not once every five years.
国会每年选举一次，不再每5年一次。
Once every 10 years is too little.Once every 10 minutes is too much.
每10年吵一次架太少了，每10分钟吵一次又太多。
Once a week is sufficient, and even once every two weeks is okay.
一周一次就够了，甚至两周一次也可以。
Once every class has at least one test, write one test for every method.
当每个类都有了至少一个测试，再为每一个方法编写一个测试。
Once every package has at least one test, write one test for every class.
当每个程序包都有了至少一个测试，再为每一个类编写一个测试。
Once every package has at least one test, write one test for every class.
当每个程序包都有了至少一个测试，再为每一个类编写一个测试。
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