But a few grains have survived from the primitive nebula that the solar system condensed from.
But a few grains have survived from the primitive nebula that the solar system condensed from.
但是一些颗粒是来自于凝成太阳系的原始星云。
But a few grains have survived from the primitive nebula that the solar system condensed from.
但是一些颗粒是来自于凝成太阳系的原始星云。