- ...in ways that would revolutionize life on Earth.
这样的改变将为地球上的生物 带来革命性的变化 - Once upon a time, plants relied solely on wind or water to spread their pollen...
过去植物仅依靠风或水来传播花粉 - but in the age of dinosaurs,
但在恐龙时代 - an innovation in plant reproduction arose...
植物繁殖出现创新 - that is still very much with us today.
这种创新今天仍然存在 - The flower.
花 - At 40 centimeters across,
直径40厘米