There are several techniques being employed today that could prove useful in assuring the future of the reefs.
经过检验，今天所运用的一些技术能有效保障珊瑚礁的未来。
When he misses home, there are several Brazilian restaurants where he can go and speak Portuguese, his native language.
当他想家的时候，他可以去几家巴西餐馆，说他的母语葡萄牙语。
There are several conjectures.
有几种推测。
There are several possible explanations.
有几种合理的解释。
There are several openings in the sales department.
销售部有几个空缺。
There are several patchwork cushions to choose from.
有几种拼布工艺垫子可供选择。
There are several specific problems to be dealt with.
有好几个特定问题要解决。
There are several dozen Indian pueblos near Santa Fe.
圣达菲附近有几十个印第安人村庄。
There are several brands and they're not all the same.
有好几个品牌，不一样的。
There are several constitutional monarchies in Europe.
欧洲有若干个君主立宪国。
There are several witnesses who will testify for the defence.
有几名证人愿意为被告作证。
有几种修理方法。
There are several geese in the park.
公园里有几只鹅。
There are several lambs around the sheep.
这只羊的周围有几只小羊。
There are several free hours every weekday.
每个工作日都有几个小时的空闲时间。
There are several hundred million goats in the world.
世界上有几亿头山羊。
There are several people waiting for you at the door.
有几个人在门口等你。
There are several possible origins for this superstition.
关于这个迷信有一些可能的起源。
There are several chemical factories pouring waste water into the stream.
有几家化学工厂把污水排入河里。
There are several ways to create and maintain a harmonious dormitory life.
有很多方法可以创造并维持一个和谐的宿舍生活。
Generally speaking, there are several reasons accounting for this phenomenon.
通常来说，导致这个现象的原因有几个。
Many experts believe there are several reasons for this sudden increase in fires.
许多专家认为火灾的突然增加有几个原因。
On the other hand, there are several reasons why it is a good idea to teach history.
另一方面，有几个原因说明为什么教历史是一个好主意。
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