| 单词 |
cachou de laval |
| 释义 |
ca·chou de la·val
\-dələˈval\ noun
Usage: usually capitalized C&L
Etymology: French, from Laval, city in France, place of its first manufacture
: a direct dark brown dye for cotton obtained as the first sulfur dye by heating organic materials (as sawdust or bran) with sulfur and sodium sulfide — see dye table I (under Sulfur Brown 1) |
| 随便看 |
- 205
- 21
- 21
- 2(10)
- 2(10)-pinene
- 22
- 2,3
- 2,3,5
- 235
- 2,3,5-triphenyltetrazolium chloride
- 238
- 2,3-butanediol
- 2,3-butylene glycol
- 2,4
- 24
- 2,4,5
- 2, 4, 5-T
- 2,4,5-T
- 2,4,6
- 2,4,6-collidine
- 2,4,6-trimethylpyridine
- 2,4,6-trinitrotoluene
- 24-7
- 24/7
- 2, 4-D
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