Sulphur has occasionally been found in the earth in an almost pure state.的翻译：Sulphur has occasionally been found in the earth in an almost pure state. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

硫偶尔被发现在地球上几乎是纯的状态。

Sulphur has occasionally been found in the earth in an almost pure state.

Sulphur has occasionally been found in the earth in an almost pure State.

Sulphur has occasionally been found in the earth in an almost pure state.