Which is a basic, or alkaline compound.

这是一种碱性或碱性化合物。

Well, vinyl is a plastic made from two basic compounds: chlorine, which is also found in salt, and ethylene which is found natural gas.

氯乙烯是一种由两种基本化合物制成的塑料：盐中发现的氯，和天然气中发现的乙烯。

And other parts of the body also regulate their local acidity, either by making acidic or basic compounds or by throwing whatever they don't want into the blood and letting the kidneys take care of everything.

身体的其他部分也能调节它们的酸性，要么是通过制造酸性或基本化合物质，要么是将不想要的物质扔进血液中，再由肾脏处理一切。