| 释义 |
DEFINITIVE EXAMPLES 权威例句〔abiogenic〕Not produced by living organisms.自然发生的，无生源说的：并非由生物体产生的美国传统〔biogenesis〕The principle that living organisms develop only from other living organisms and not from nonliving matter.生源说：关于生物机体仅能从其他生物机体而非无生命物质发展而来的原理美国传统〔germ theory〕The doctrine holding that infectious diseases are caused by the activity of microorganisms within the body.生源说，传染病源论：认为传染病是由体内微生物活动造成的学说美国传统 |