Instead, the leftover gas and dust crams into a glowing, incredibly dense body only a few miles wide--a teaspoon, for example, would weigh millions of tons.是什么意思_Instead, the leftover gas and dust crams into a glowing, incredibly dense body only a few miles wide--a teaspoon, for example, would weigh millions of tons.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句