When the hills are all flat and the rivers are all dry, when it rains and snows in summer, when heaven and earth mingle-not until then will I part from you.是什么意思_When the hills are all flat and the rivers are all dry, when it rains and snows in summer, when heaven and earth mingle-not until then will I part from you.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句