Wed, Jul 12, 2006 - Page 14 News List

Frosty weather 天寒地凍

Hoarfrost on a wire fence in the US state of Iowa.
美國愛荷華州鐵絲網上的白霜。 (照片:美聯社)

PHOTO: AP

What do you know about weather? You probably know that there are many different kinds of weather. Taiwan’s weather is generally very warm. But in other places around the world (and sometimes even right here in Taiwan!), the weather can get very cold.

When the weather is warm, water from the air and clouds turns into rain. Sometimes, the water also turns into the thin layer of water that you sometimes find on the leaves of plants in the mornings or at night. This thin layer is called dew.

But what about when the weather is cold? In cold weather, water from the clouds turns to snow and hail. In this weather, we do not see dew. Instead, we see the icy stuff in this picture -- hoarfrost.

Water comes in three types: the kind that you can drink (called liquid), the kind you can chew, like ice (called solid) or the tiny bits of water that float around in the air. Usually, water in the air turns to drinkable water first, and then it turns into ice. Hoarfrost is made when the air is so cold that the water in the air turns right into ice.



(KAYLEEN HARTMAN, STAFF WRITER)

你對天氣了解多少?你也許知道許多不同的天氣類型。台灣的天氣大致上很溫暖,但世界其他地方(有時甚至台灣本地)的天氣可能非常寒冷。

天氣溫暖時,空氣中的水份和雲氣會轉為水滴。你有時可在清晨或夜晚中看見空氣中的水汽在植物葉片上結成一片薄冰層,這薄層就叫「露」。

那天氣冷時呢?雲氣中的水分會在寒冷的天氣裡轉為雪或冰雹,這種天氣我們看不到露水,而是會看見照片中這種像冰的東西─白霜。

水有三種型態:可飲用的(稱液態),可咀嚼的,像冰一樣(稱固態),及漂浮在空氣中微小的水分子。通常空氣中的水分會先轉化為飲用水,再轉為冰。白霜的成因是空氣中的水分子因過冷而直接轉為冰。

(翻譯︰鄭湘儀)

Today's Words 今天單字

1. generally adv.

大致上 (da4 zhi4 shang4)

例: Sometimes our teacher gives too much homework, but we all generally like her.

(有時我們老師會出太多作業,但我們大致都很喜歡她。)

2. layer n.

層 (ceng2)

例: The cake had three different layers! I liked the vanilla one the best.

(這個蛋糕有三層不同口味,我最喜歡香草那一層。)

3. dew n.

露水 (lu4 shui3)

例: When I go to the park in the early mornings, I get my pants wet from sitting on the dew-covered grass.

(每當我清晨去公園,坐在覆蓋露水的草地上,褲子都會弄濕。)


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