几丁质

【化】 chitin

几的英语翻译：

a few; a small table; how many; nearly; several

丁的英语翻译：

fourth; man; population
【机】 butanenitrile

质的英语翻译：

character; matter; nature; pawn; pledge; quality; question; simple
【医】 mass; massa; quality; substance; substantia
【经】 guilder