Rotting meat did not spontaneously yield maggots; rather, familiar biological agents and processes were responsible—in this case egg—laying flies. The idea of spontaneous generation had been discredited.
spontaneously ad.自发地 maggot n.蛆 spontaneous generation 自然发生说
Contained in the molecule's graceful curves was the key to molecular biology, a new science whose progress over the subsequent fifty years has been astounding.
curve n.曲线 subsequent a.随后的