chocolate agar

chocolate agar的音标为["tʃəʊklətaɪə] ，基本翻译为“巧克力琼脂培养基”，速记技巧为“巧（巧克力）拉（琼脂培养基）”。

Chocolate agar的英文词源可以追溯到拉丁语“chocola”和“agar”，分别表示巧克力或可可豆和琼脂或明胶。

变化形式：

复数形式：chocolates agars

过去式和过去分词：chocolateed, chocolateed

相关单词：

chocolate cake：巧克力蛋糕

chocolate chip：巧克力碎片

chocolate syrup：巧克力糖浆

chocolate-covered cherries：巧克力樱桃

chocolate-flavored yogurt：巧克力味的酸奶

chocolate brownie：巧克力布朗尼

chocolate fudge：巧克力焦糖

chocolate cake with cream cheese frosting：带有奶油奶酪糖霜的巧克力蛋糕

chocolate-covered marshmallow：巧克力包裹的棉花糖

Chocolate agar作为一种培养基，常用于检测肠道细菌的发酵能力，特别是检测乳糖利用相关的细菌，如大肠杆菌和梭菌等。它是由琼脂和含可可粉的液体培养基混合而成的，其中的可可粉为细菌提供了发酵所需的碳源。

常用短语：

1. chocolate agar plate

2. inoculate with bacteria

3. incubate at 37°C

4. colony morphology

5. gram staining

6. growth rate

7. bacterial identification

双语例句：

1. We inoculated bacteria onto a chocolate agar plate.

2. After incubation at 37°C for a few days, the colonies showed different shapes and colors.

3. Gram staining of the bacteria revealed their positive or negative status.

4. The growth rate of the bacteria on chocolate agar varied depending on the species.

5. Chocolate agar is commonly used for bacterial identification.

英文小作文：

Title: The Mystery of Bacterial Growth on Chocolate Agar Plate

Chocolate agar plate is a commonly used tool for bacterial identification, allowing us to observe the growth and morphology of bacteria under laboratory conditions. When inoculated with bacteria, chocolate agar plate becomes a perfect medium for growth, providing a suitable environment for bacteria to thrive and multiply. The colonies that appear on the plate vary in shape, size, and color, which can be used to identify the species of bacteria present. This simple yet effective method has revolutionized the field of microbiology, allowing us to identify and study various bacteria in a more accurate and efficient manner. Through this technique, we can gain a deeper understanding of the role of bacteria in our environment and how they affect our health and well-being.