- They were groundbreaking.
还具有开地性 - As they spread...
随着它们的传播 - ...their tiny filaments helped to break down rock
它们的细丝帮助将岩石分解 - and produce the first ever soil...
产生了史上第一块土壤 - paving the way for plants to take over.
为植物的到来铺平道路 - Micro plants, like moss, were first to appear.
苔藓这样的微型植物率先出现 - With leaves only one cell thick,
叶子只有一层细胞