chlorophyll是什么意思 chlorophyll的用法 chlorophyll怎么读

chlorophyll

英 ['klɔːrəfɪl; 'klɒ-]美 ['klɔrəfɪl]

n. [植][生化] 叶绿素

星级词汇:★

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中文词源

chlorophyll 叶绿素

chloro, 绿色，词源同chlorine, gold。-phyll, 叶子，词源同foliage, folio.

英语词源

chlorophyll (n.)

green-colored stuff in plants, 1819, from French chlorophyle

(1818), coined by French chemists Pierre-Joseph Pelletier (1788-1842) and Joseph Bienaimé Caventou (1795-1877) from Greek khloros "pale green" (see Chloe) + phyllon "a leaf" (see phyllo-).

权威例句

1. Chlorophyll is produced by the action of light on the plants'leaves.

光对植物的叶子发生作用从而产生叶绿素.

2. The disease causes varying degrees of destruction of the chlorophyll.

这一病害使叶绿素遭到不同程度的破坏.

3. The structure of the chlorophyll molecule is known . It consists ofporphyrin.

叶绿素的分子结构已经搞清, 它是由卟啉组成的.

4. Inhibition of chlorophyll synthesis may be caused by etiolation, mutant blocks, or streptomycin.

叶绿素合成可以由黄化 、 突变性阻塞或链霉素而引起.

5. The function of magnesium in the chlorophyll structure is well known and documented.

镁在叶绿素结构中的功能,早已为人们清楚地阐明,且也得到文献记载.

[ chlorophyll 造句 ]