clouds的音標是[?klu?dz]，基本翻譯是“云；云朵；云狀物；一群人；烏云”。速記技巧是：cloud+s表示“云；一群人”。

Clouds這個詞的詞源可以追溯到拉丁語“cloudia”，意為“云”。它的變化形式包括其過去式“clouded”和過去分詞“clouded”，現在分詞為“clouding”，形容詞為“cloudy”。

相關單詞：

“overcast”表示陰天的，其詞源與clouds有關，同樣來自拉丁語，意為“覆蓋天空的”。這個詞通常用來描述多云的天氣。

“haze”意為霧，其詞源可以追溯到古英語，意為“云霧”，而現代英語中的“cloud”也有霧的意思。

“cloudscape”表示云霧繚繞的風景，這個詞是由名詞“cloud”和“scape”組成的，表示一種特定的自然景觀。

“cloudy”表示多云的，這個詞是由形容詞“cloud”和“y”組成的，用來描述天氣的狀態。

“cloudburst”表示云崩，是一種突發的強降雨現象，通常發生在龍卷風或颶風等天氣系統中。

“cloud computing”表示云計算，這個詞是由名詞“cloud”和動詞“compute”組成的，用來描述一種信息技術服務。

“cloud cover”表示云層覆蓋，這個詞是由名詞“cloud”和動詞“cover”組成的，用來描述天氣的狀態。

“cloud seeding”表示云粒子化，這是一種氣象干預技術，旨在通過人工方式改變云的結構，以增加降雨的可能性。

“cloud layer”表示云層，這個詞是由名詞“cloud”和“layer”組成的，用來描述大氣中的一層云。

“cloud formation”表示云的形成，這個詞是由名詞“cloud”和“formation”組成的，用來描述云的形成過程。

以上就是關于clouds的一些相關單詞及其詞源、變化形式的分析。這些單詞在英語中具有豐富的含義和應用場景，反映了英語語言和文化的多樣性和豐富性。

常用短語：

1. cloudy sky

2. overcast sky

3. a cloudy day

4. clear blue sky

5. sunny and clear

6. clouds gather

7. clouds break up

雙語例句：

1. Today is a cloudy sky. 今天天空多云。

2. The sky overcast with clouds, it looks like it might rain. 天空烏云密布，好像要下雨了。

3. After a period of cloudy weather, the sun finally came out. 在一段時間的陰雨之后，太陽終于露臉了。

4. Clear blue skies offer a refreshing change from the clouds. 晴朗的天空給人帶來清新的變化。

5. We hope for sunny and clear skies for the race tomorrow. 我們希望明天的比賽天氣晴朗，天空清澈。

6. The clouds gathered in the sky, signaling the possibility of rain. 天空中的烏云聚集起來，預示著可能會下雨。

7. After the clouds broke up, the sun shone brightly. 烏云散去后，陽光明媚。

英文小作文：

Clouds are an interesting and beautiful part of the natural world. They can appear in many different shapes and sizes, from thin wisps to thick masses that obscure the sun and stars. When clouds gather, it often means that a storm is on the way, while when they break up, the sun shines brightly and the air feels fresh and invigorating.

I enjoy watching clouds because they are constantly changing and moving, unlike other objects in nature that remain relatively static. Clouds also provide us with a sense of mystery and wonder, as we cannot always predict what they will do or how they will look like in the next moment.

In my opinion, clouds are a symbol of hope and change, as they can bring rain and bring about a new beginning for plants and animals alike. They also remind us that life is constantly changing and that we should always be open to new experiences and opportunities. Whether we are watching clouds in the sky or studying them in a painting or photograph, they provide us with a sense of beauty and tranquility that is hard to find elsewhere in the world.