粉末状物质的英文

powdery substance

• 粉末:    powder; flour; sti ...
• 状:    form; shape
• 物质:    matter; substance; ...

例句与用法

1. 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。