primordial qi

例句：

1. 1. The discovery ofthe first human beings on Earth isconsidered a primordial event inthe history of life.
   人类首次在地球上被发现被认为是生命史上的一个原始事件。
2. 2. Primordial matter is composed of particles thatare so small they cannot be seen withthe naked eye.
   原始物质由无法用肉眼看见的粒子组成。
3. 3. The studyof primordialconditions has led to important insightsinto the origins of life onEarth.
   对原始条件的研究表明，这对理解地球上生命的起源具有重要意义。