The shock of the cold makes the metal sulfides crystallize .

低温使得金属硫化物结晶。

Garlic needs to be chopped or crushed to produce the these sulfides .

大蒜需要剁碎或压碎以制造这些硫化物。

Mining exposed the sulfides and eventually made the tailings as acidic as battery acid and full of heavy metals such as arsenic .

采矿暴露了硫化物并最终使矿渣变得象蓄电池酸液一样酸，充满了象砷那样的重金属。

The abandoned richmond mine in california has the most acidic waters in the world , courtesy of underground microbes that consume sulfides and excrete sulfuric acid .

美国加州被废弃的里士满矿，拥有世界上酸性最强的水，这种强酸性是地下的微生物消耗硫化物并排出硫酸造成的。

Bacteria also thrive between teeth and gums , where they produce sulfides and other malodorous compounds , including putrescine , found in decaying meat , and isovaleric acid , which smells like sweaty feet .

细菌还容易在牙齿与牙龈之间滋生，产生硫化物和其他恶臭化合物，包括腐肉中含有的腐胺和带有类似汗脚臭味的异戊酸。