germfree的音標(biāo)是[?d???rmfre?]，基本翻譯是“無菌的”，速記技巧可以是：諧音“給人家”。

germfree這個詞的詞源可以追溯到拉丁語“germen”，意為“種子”或“萌芽”。這個詞在英語中用來描述無菌或無病原體感染的環(huán)境或物品。

germfree的相關(guān)單詞：

1. sterile（無菌的）：這個詞直接來自拉丁語“sterilis”，意為“無生命的”或“無菌的”。它常用來描述無菌的環(huán)境或物品。

2. aseptic（無菌的）：這個詞來自希臘語“a”（無）和“sepsis”（感染），意為“無感染的”或“無菌的”。

3. pathogen-free（無病原體的）：這個詞用來描述沒有病原體的環(huán)境或物品，它是由“pathogen”（病原體）和“free”（無）組成的。

4. germicide（殺菌劑）：這個詞來自拉丁語“germ-”（種子）和“cidere”（殺死），意為殺死種子的藥劑。

5. sterilization（滅菌）：這個詞由“sterile”（無菌的）和“ization”（化）組成，表示將物品或環(huán)境進(jìn)行無菌處理的過程。

6. sterilant（滅菌劑）：這個詞由“sterilize”（滅菌）和“ant”（劑）組成，表示用于滅菌的物質(zhì)或藥劑。

7. aseptic technique（無菌技術(shù)）：這個詞由“aseptic”（無菌的）和“technique”（技術(shù)）組成，表示在醫(yī)療操作中使用的無菌技術(shù)。

8. sterilization process（滅菌過程）：這個詞由“sterilization”（滅菌）和“process”（過程）組成，表示滅菌過程中使用的步驟或方法。

9. pathogen-free environment（無病原體的環(huán)境）：這個詞由“pathogen-free”（無病原體的）和“environment”（環(huán)境）組成，表示一個沒有病原體的環(huán)境。

10. germ-free diet（無菌飲食）：這個詞由“germ-free”（無菌的）和“diet”（飲食）組成，表示一種沒有細(xì)菌或病原體污染的飲食。

以上這些單詞都與germfree這個詞有著密切的聯(lián)系，并且描述了不同的概念和情境，涵蓋了無菌、無病原體感染等不同的方面。

常用短語：

1. germ-free environment

2. germ-free animal

3. germ-free laboratory

4. prevent germs

5. germs spread

6. germs in the air

7. germs on the hands

雙語例句：

1. In a germ-free environment, bacteria are not allowed to grow, making it easier to maintain a healthy lifestyle. (無菌環(huán)境下，細(xì)菌無法生長，更容易保持健康的生活方式。)

2. The germ-free animal was raised in a sterile environment and had no immunity to infections. (無菌動物在無菌環(huán)境下長大，沒有免疫力，容易感染。)

3. Germs spread quickly in this crowded city, making it difficult to maintain personal hygiene. (在這個擁擠的城市里，細(xì)菌傳播得很快，很難保持個人衛(wèi)生。)

4. Germs on the hands can easily spread to other areas of the body, making it important to wash hands frequently. (手上的細(xì)菌很容易傳播到身體的其他部位，所以經(jīng)常洗手很重要。)

英文小作文：

Germ-free Living: The Benefits and Challenges

Germ-free living is a unique way of life that eliminates the presence of germs and bacteria, providing a healthier and cleaner environment for individuals to live in. In a germ-free environment, bacteria are not allowed to grow, making it easier to maintain a healthy lifestyle by avoiding infections and reducing the risk of diseases. However, living in a germ-free environment also comes with its challenges. Firstly, it requires strict sterilization measures to ensure that no germs enter the environment, which can be difficult and costly to maintain. Secondly, germs can still be found in the air and on surfaces, making it important to maintain good personal hygiene habits such as frequent hand washing and wearing masks when outdoors. Overall, germ-free living provides many benefits, including a healthier lifestyle and a cleaner environment, but it also comes with its own unique challenges that require careful consideration and planning.