液态物质 meaning in Chinese

fluent meterial
liquid matter

For decades , geologists assumed that magma sits as a pool of liquefied rock for millions of years at a time and that each time some of it pours out onto the earth ' s surface , new liquid rises up from below to refill the chamber immediately
几十年来，地质学家都假设，岩浆是一池数百万年前同时液化的熔岩，每次喷发时涌出一部份到地表上，新的液态物质会随即从下方上升来补充岩浆库。