查询词典 thirteen years

While purple-toed, keen-eyed hunters are just a made up example, a real animal that demonstrates this is the three-spined stickleback fish of western Canada. These fish moved into glacier-carved lakes thirteen thousand years ago.

当然有着紫色脚趾、视力好的猎禽只是一种杜撰的例子，不过可以证明进化这一点的真正的动物是加拿大西部的一种有三条脊柱的棘鱼。13000年前，这些鱼游进了冰荒湖泊。

While purple-toed, keen-eyed hunters are just a made up example, a real animal that demonstrates this is the three-spined stickleback fish of western Canada. These fish moved into glacier-carved lakes thirteen thousand years ago. Over time, they evolved into two separate species.

紫色脚趾、厉眼的捕食者只是一个例子，而在加拿大西部海域有一种真实的生物名叫三椎棘鱼论证了这一进化历程。3000年前，这种鱼类迁徙到了布满冰川的河流，随着时间过去，他们演变成两种不同的生物种类。

So impressive was this invention, so difficult was it to exceed this speed limit, that nearly 3,500 years later, when the first mail coach began operating in England in 1784, it averaged a mere ten mph. The first steam locomotive, introduced in 1825, could have a top speed of only thirteen mph and the great sailing ships of the time labored along at less tan half that speed.

这一发明给人的印象如此之深，要超过它的最高速度又如此之难，以致于过了将近三千五百年，到了公元1784年第一辆邮车在英国运行时，它的时速平均只有十英里。1825年问世的第一辆蒸汽机车，最高时速仅为十三英里，而当时的大帆船仅以不到火车一半的速度在海上慢慢颠簸。

Based on the monthly precipitation data of thirteen meteorological stations in Tianjin in recent 50 years,using regression analysis,trend analysis and five-year moving average method,the change characteristics of precipitation were analyzed.

根据天津市13个气象站近50年的实测月降水资料，运用回归分析、趋势分析和5年滑动平均等方法，分析了天津市近50年来降水变化特征。

They are now thirteen to twenty-one years old.

他们现在已经13到21岁不等了。

A bronze version of Undine is accompanied and illuminated in the exhibition by a selection of thirteen portrait busts from the following fifteen years.

这件1926年的作品是艺术家惟一一件被知的现存的等身雕刻作品，展示了年轻的野口勇所掌握的传统艺术技巧。

We used the contiguous random flaps with SMAS to correct cicatricial ectrpion and defects in the eyelids. The study included thirteen male and eleven female patients with an age range of 6 to 48 years.

2005年9月～2008年9月，我们采用各种含SMAS的随意型皮瓣共治疗不同程度的瘢痕性睑外翻患者，其中男13例，女11例。

Methods:Thirteen class Ⅱ patients (aged 10～13 years,male 6,femal 7) with mandible retrusion and slight maxillary protrusion were included.Radiographs of the left hand and wrist showed the patients were at the pubertal or pre-pubertal stage.All the patients were treated with the mandibular protraction appliance.

选择13例AngleⅡ类错牙合病人，男6例，女7例，最大13岁，最小10岁，均为替牙晚期或恒牙早期。X线头影测量显示主要为下颌后缩及轻微上颌前突，左手腕片显示为生长发育高峰期或高峰前期，所有病人用下颌前伸矫治器进行治疗。

Every three thousand years, a perfect eclipse of Eberron's thirteen moons realigns Lamannia and the Vale of Twilight.

每过3000年，当艾伯伦的13个月亮同时发生月全食的时候，就会把拉曼尼亚位面和黎明谷连结起来。

I saw the boy. Dark-skinned, probably thirteen or fourteen years old, he was obviously from Central or South America.

我看到了那个孩子，他皮肤黑黑的，大约怳T、四岁，一看上去就知道是中南美洲来的。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失