uncombined
adj. 未化合的；自由的
反义词
参考例子
1.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。
2.It exists uncombined in two stable (and several unstable) allotropes, one gray and one yellow, But is more often found in nature as the sulfide or oxide.
它存在两种稳定（和数种非稳定）同素异性体，即灰砷和黄砷，但大多发现于自然界的硫化物和氧化物中。
3.A lustrous white, ductile, malleable metallic element, occurring both uncombined and in ores such as argentine, having the highest thermal and electrical conductivity of the metals.
银一种白色有光泽、韧性的可延展的金属元素，单独或结合在铁矿石如银辉石中，在金属中导热和导电性能最好。
英文解释
adj.
1.not joined or united into one
网络释义
uncombined
游离的; 未结合的; 无联系的未化合的未耦合的; 非化合的;
uncombined carbon
游离碳; 游离家;
C-uncombined carbon porosity
C类非化合碳孔隙;
Hardmetals--Metallographic determination of porosity and uncombined carbon
硬质合金 孔隙度和非化合碳的金相测定;