It was a rare event that could excite him.

海上事件可能使他高兴的是很少的。

It's a relatively rare event for this part of the country.

对于国家的一部分来说，这是相对罕见的事件。

Algal toxins in drinking water is not a rare event, Mishra says.

米什拉说，饮用水中的藻类毒素并非罕见。

Saboto says the founders of the republic envisioned impeachment as a rare event.

萨巴托说，破坏者说，共和国的创始人设想弹劾是一个罕见的事件。

The increasingly human landscape of North America can make wildlife spectacles a rare event.

由于北美人类用地的增加，很难看到野生动物聚集的壮观景象了。

Big solar storms hitting the earth are rare but potentially high impact events.

特大型太阳风暴在地球发生的几率很小，但是它却会产生不可估量的影响。

Large ensembles might also catch a rare weather event that a 50-member ensemble would miss.

大型集合也许能捕捉到 50 个预测集可能错过的罕见天气事件。

Remember, thousands of other people will also be traveling to view this rare astronomical event.

记住，数千人都想去看这稀有的天文奇观。

These are rare events, relatively. And so it's not clear if what is driving them.

相对而言，这些都是罕见事件。我们不清楚驱使枪手的动机是什么。

In astronomy, a syzygy is a rare event when three or more celestial bodies line up.

在天文学中，朔望是指引力系统中三个天体配置在一条直线的罕见事件。

But global warming has raised the possibility that domestic produce could be seriously affected by rare weather events more often.

然而，全球变暖使得日本国内产品更可能会受到罕见天气的严重影响。

Total solar eclipses of such a long duration are very rare events, they happen but once in a lifetime.

持续时间如此之长的日全食很少见，可以说是千载难逢。

Now that sounds like a huge distance to our surflings, but this is an incredibly rare event in space.

听起来距离我们很远，但是这在宇宙中是非常罕见的事。

They were formed in a rare event, deep in the Earth, that only happens every few hundred million years.

它们形成于地球深处一个罕见的事件，每几百万年才会发生一次。

She told the Associated Press she is not worried about asteroids hitting Earth because they are such rare events.

她告诉美联社，她并不担心小行星撞击地球，因为它们的概率极低。

In the rare event that an accident occurs while the plane is cruising, you could be faced with a free fall.

飞机航行时还可能发生一种罕见事故，那就是自由坠落。

This is a rare event for children who are missing arms or legs, have physical deformities, or suffer from trauma.

这对这些缺胳膊少腿、有身体缺陷或有创伤的孩子来说是少有的事。

Earthquakes are extremely rare events and extreme earthquakes are even rarer than the usual earthquakes that we're used to feeling.

地震是极其罕见的事件，极端地震甚至比我们习以为常的地震还要罕见。

It's one of the rarest events in all of medicine, spontaneous regression of cancer in the absence of any treatment.

这是医学界最罕见的事件之一，在没有任何治疗的情况下，癌症会自动消退。

Females have two X's, so they usually need mutations in both copies to have a deficiency — a pretty rare event.

女性是XX，所以她们需基因变异才会生蚕豆病，这样的情况很少。