a chemical material formed in an organism
在生物体内形成的一种化学物质
热门单词
- abnomal loss
- abrasive ground
- absorbency
- absorption limiting frequency
- acanthosis nigricans
- accessory risks
- accretion bedding
- achromatic map
- achromic period
- acid dipping
- acid hydrolysate
- acid industry
- acid-resistant ceramic pump
- acidic lava
- acidometry
- acoustic efficiency
- acoustical enclosure
- acquired drive
- acquisition laser
- acquisition of technology
- actinic cheilitis