cows的音標是[ka?z]，基本意思是“牛；母牛；雌性牛類”。

速記技巧：可以嘗試使用拼音首字母縮寫的方式進行記憶，即“靠死”（諧音）。

如需更多語言知識，可以閱讀相關書籍。

Cow這個詞的詞源可以追溯到古英語，它來自拉丁語的“covi”或“covivere”，意思是“居住在牛棚里”。它的變化形式包括復數(shù)形式“cows”，過去式“knew”和過去分詞“kown”。

與Cow相關的單詞有以下幾個：

1. Bovine - 來自拉丁語“bos”，意為“牛的”，常用于描述與牛相關的特征或行為。

2. Milk - 直接來自Cow，因為Cow是產(chǎn)奶的動物。

3. Coward - 意為“膽小的，懦弱的”，源自古英語中的“covaord”或“covord”，表示害怕牛的人。

4. Calf - 意為“小牛”，源自Cow的復數(shù)形式“cows”。

5. Cowpox - 是一種疫苗，名稱源自Cow的皮膚，因為這種疫苗可以預防牛痘。

6. Heifer - 意為“小母牛”，是從Cow復數(shù)形式派生出來的單詞。

7. Ox - 是一種大型的牛，與Cow有密切關系。

8. Bellow - 意為“吼叫”，源自Cow的叫聲。

9. Cowshed - 意為“牛棚”，是由Cow的復數(shù)形式和英語詞尾-shed（棚屋）構成的合成詞。

10. Cowslip - 是一種花，也稱為“草原風信子”，因其顏色和形狀與牛耳相似而得名。

以上這些單詞都與Cow有著密切的聯(lián)系，并且通過詞源、變化形式和相關含義展示了英語詞匯的豐富性和多樣性。

常用短語8個：

1. cow in a corner

2. milk like a cow

3. milk a cow dry

4. milk the cow to the last drop

5. milk the cow twice

6. milk the cow dry twice

7. milk the cow dry in one go

8. milk the cow to the last drop in one go

例句：

1. She was caught red-handed and cowed into silence.

2. The farmer milked the cow twice a day.

3. They milked the cow dry to pay off their debts.

4. The company is trying to milk the last drop of profit from its assets.

5. The teacher taught us how to milk a cow properly.

6. The farmer milked his cow dry twice in one year.

7. The cowboy milked the cow twice a day, morning and night.

英文小作文：

Cows are an essential part of rural life, providing milk and meat for families and communities. They also play a vital role in maintaining the balance of nature, helping to fertilize fields and control pests. However, it is not only their physical contributions that make cows so important, but also their symbolic ones. Cows represent fertility, prosperity and hard work, and are often seen as symbols of hope and renewal in rural communities. In many cultures, cows are considered sacred animals, and their protection is a fundamental aspect of cultural identity and tradition. Therefore, it is no surprise that cows continue to play such an integral role in rural life, and that they continue to inspire and nourish us with their milk and meat.