词汇	proterogenic rock
释义	proterogenic rock 原变岩
随便看	Keep the room warm keep the roots from freezing Keep the rope taut keep the secret Keep the secret for sb Keep the sensitivity to the market Keep these points in mind Keep the set-up stable keep the sight of keep the sludge finely dispersed keep the soil from puddling Keep the spinal chord and the neck straight keep the staff in one's own hand keep the State-held shares Keep the strangers out Keep the streets clean Keep the sun behind you when you take a photo keep the table keep the tail in the water keep the tail in waters Keep the traffic flowing Keep the two ideas distinct Keep the underpass clean Keep the units and connection cables apart keep the vacuum constant