词汇	Aiddle America
释义	Aiddle America n.中美洲人;美国中产阶级
随便看	variable gradient variable gradient method variable-gradient method variable gradient theorem Variable granularity variable granularity storage method variable gravitational constant variable grid variable grid clustering variable grid leak variable-grid method variable groove depth variable grouping variable grouping method variable growth intercept model variable guide variable half vane variable hanger Variable has been aliased as variable-head flowmeter variable head permeability test variable head permeameter variable-head permeameter variable head torch variable-head variable-area flowmeter