V2EX cumulus

Cumulus

释义 Definition

Cumulus 是一种常见的云类型,指底部平坦、顶部呈圆拱状隆起的积云,通常在晴朗的天气中出现,像一团团蓬松的棉花。在更广义的用法中,cumulus 也可以表示"堆积、累积"。

发音 Pronunciation

/kjumjls/

例句 Examples

The sky was filled with white cumulus on that sunny afternoon.
那个晴朗的午后,天空中布满了白色的积云。

As the warm air rose from the valley, towering cumulus began to build on the horizon, signaling the approach of an afternoon thunderstorm.
当暖空气从山谷中升起时,高耸的积云开始在地平线上堆积,预示着午后雷暴的来临。

词源 Etymology

Cumulus 直接来源于拉丁语 cumulus,意为"堆、堆积物"。1803年,英国化学家卢克霍华德(Luke Howard)首次将这个词用于气象学,作为云的分类名称之一。他借用拉丁语来命名云的类型,使得国际科学界能够统一使用。拉丁语 cumulus 的词根与 accumulate(积累)同源,都表达"逐渐堆积"的概念。

相关词汇 Related Words

文学作品引用 Literary References

  • 在约翰缪尔(John Muir)的自然写作作品《我们的国家公园》(Our National Parks)中,他多次使用 cumulus 来描绘美国西部山区壮丽的云景。
  • 理查德霍姆斯(Richard Holmes)在《坠落的年代》(Falling Upwards)中描述热气球飞行时,用 cumulus 描写飞行者穿越云层的壮观场面。
  • 安妮迪拉德(Annie Dillard)在《汀克溪的朝圣者》(Pilgrim at Tinker Creek)中以诗意的笔触描写了 cumulus 云在天空中不断变幻的形态。
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