refine
Definition
To remove impurities or improve something by making small changes.
中文 去除杂质或通过细微改变来改进某物。
Example
"Scientists refine oil to produce gasoline."
To remove impurities or improve something by making small changes.
中文 去除杂质或通过细微改变来改进某物。
"Scientists refine oil to produce gasoline."