粉末状物质 meaning in Chinese
powdery substance
Examples
- Housefly larvae had developed humoral immunus and chemical defensense system . antimicrobial substances were extracted from the skin of housefly larvae , pupae and the remains of the larvae feed
从家蝇幼虫体表中提取其分泌的具有抗菌活性物质，经洗脱、透析及脱色得粗提物，为白色粉末状物质。