大家都搜：
n.火坑
1、firepit burn rate───燃烧率
2、stahl firepit───耐火钢
1、Their fascination with our firepit is the foundation of all scientific discovery.───他们那种对于火的痴迷好奇之心就是整个科学发现大厦的基石。
2、The roof offers dramatic views, with fixed and moveable furniture for parties, hammocks for resting, as well as a barbecue and firepit.───屋顶上则是极佳的观赏点，上面还有为聚会准备的可随意移动的家具、可供休息的吊床、烧烤架和小火炉。