chlorophyl

chlorophyl的音标是[ˈklɔːrəfɪl]，翻译成中文是“叶绿素”。速记技巧是：ch-low绿，lo-phi-l叶子里的素。

Chlorophyll这个词来源于希腊语chloros（绿色的）和phyll（叶子），因此它的含义就是叶绿素。它的变化形式主要有两种，一种是复数形式chlorophylls，一种是比较级形式chloro-。

相关单词：

1. chlorophyllous：有叶绿素的

2. greenhouse effect：温室效应，这个词由greenhouse和effect组合而成，用来描述由于植物等生物作用导致的大气中温室气体浓度升高，进而使得地球温度升高的现象。

3. phytoplankton：水生植物，这个词由phyto（植物）和plankton（浮游生物）组合而成，指的是海洋中的浮游植物。

4. phyllochory：植物食性，这个词由phyll（叶子）和chore（搬运）组合而成，指的是动物吃掉植物的叶子并移动的行为。

5. phyllotaxis：叶序，这个词由phyll（叶子）和taxis（排列）组合而成，指的是植物叶子在茎上的排列方式。

6. chloroplast：叶绿体，这个词由chlorophyll和-plast（构成）组合而成，指的是植物细胞中负责进行光合作用的细胞器。

7. chlorophyllin：叶绿素衍生物，这个词由chlorophyll和in（的）组合而成，指的是叶绿素的衍生物。

8. chlorophyllase：叶绿酸酶，这个词由chlorophyll和ase（酶）组合而成，指的是一种能够分解叶绿素的酶。

9. chlorophyllometry：叶绿素测定法，这个词由chlorophyll和metry（测量）组合而成，指的是通过测量植物中的叶绿素含量来评估植物健康状况的方法。

10. chlorophyll fluorescence：叶绿素荧光，这个词由chlorophyll和fluorescence（荧光）组合而成，指的是叶绿素吸收光能后产生的荧光现象。

常用短语：

1. chlorophyll a

2. chlorophyll b

3. chlorophyll content

4. chlorophyll fluorescence

5. chlorophyll a fluorescence

6. chlorophyll a/b ratio

7. photosynthetic rate and chlorophyll content

双语例句：

1. The leaves of plants contain chlorophyll, which is responsible for photosynthesis.

2. Chlorophyll fluorescence is a technique used to measure the efficiency of photosynthesis.

3. High levels of chlorophyll b are often associated with eutrophication in lakes and reservoirs.

4. The ratio of chlorophyll a to chlorophyll b can be used to determine the type of plant species.

5. Chlorophyll content is an important indicator of plant health and growth.

6. Photosynthetic rate and chlorophyll content are closely related, as they both reflect the amount of carbon dioxide taken up by plants.

英文小作文：

Chlorophyll is an essential component of plants that contributes to their green color and photosynthetic ability. It is responsible for capturing sunlight and converting it into chemical energy, which is then used by plants to grow and reproduce. Chlorophyll also helps plants to absorb nutrients from the soil, making it an essential part of plant life.

In addition to its role in photosynthesis, chlorophyll also plays a role in plant health and disease resistance. High levels of chlorophyll indicate that plants are healthy and able to cope with environmental stresses such as drought and heat. Conversely, low levels of chlorophyll can indicate various diseases and nutritional deficiencies that can affect plant growth and yield.

Chlorophyll is also an important component of food production, as it is found in many fruits and vegetables that are consumed by humans. The presence of high levels of chlorophyll in these foods indicates that they are rich in nutrients and have a vibrant appearance that is appealing to consumers.

In conclusion, chlorophyll plays a crucial role in the life cycle of plants, providing them with the energy they need to survive and reproduce, while also contributing to their aesthetic appeal and nutritional value.