The old grate had been replaced by a modern gas fire, which was the source of the heat.旧式壁炉已经被现代煤气取暖器所代替来供暖。
英汉双解词典包含368430条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。