chlorophyll是什麼意思 chlorophyll的用法 chlorophyll怎麼讀

chlorophyll

英 ['klɔːrəfɪl; 'klɒ-]美 ['klɔrəfɪl]

n. [植][生化] 葉綠素

星級詞彙:★

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中文詞源

chlorophyll 葉綠素

chloro, 綠色，詞源同chlorine, gold。-phyll, 葉子，詞源同foliage, folio.

英語詞源

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-).

權威例句

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

光對植物的葉子發生作用從而產生葉綠素.

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

這一病害使葉綠素遭到不同程度的破壞.

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

葉綠素的分子結構已經搞清, 它是由卟啉組成的.

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

葉綠素合成可以由黃化 、 突變性阻塞或鏈黴素而引起.

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

鎂在葉綠素結構中的功能,早已爲人們清楚地闡明,且也得到文獻記載.

[ chlorophyll 造句 ]