Some metals are found in their native status, that is, uncombined with other elements.

有些金属是以天然状态存在的，即不与其他元素化合。

Feed it as well with unburned and uncombined foods because that which is simple and natural is best.

同样，去摄取没有烧过和非合成的食物，因为简单和自然是最好的。

Iridium probably does not occur uncombined in nature but it is found in natural alloys with other noble metals.

自然界中可能不存在纯铱，通常和其它贵金属共生于天然合金中。

Native element: Any of the 19 chemical elements that occur AS minerals and are found in nature uncombined with other elements.

自然元素：以自然状态存在于矿物中，不与其它元素结合的十九种化学元素。

It is widely distributed, usually in small amounts, occasionally uncombined but more often as selenides of iron, lead, silver, or copper.

通常以小量广泛分布，偶尔出现游离状态，但往往是以铁、铅、银或铜的硒化物出现。