水银滴落地面时，仍然保持完好无瑕，从不混杂污泥灰尘。

When mercury is dropped on the ground, its very nature is to remain intact; it never mixes with the dust.

youdao

水银滴落地面时，仍然保持完好无瑕，从不混杂污泥灰尘。

When mercury is dropped on the ground, its very nature is to remain intact; it never mixes with the dust.

youdao