coalfields怎么读？

coalfields的音标：

相关问题

coalfields什么意思

n.煤田( coalfield的名词复数 )...
- #coalfields
- #释义
coalfields造句

On a global scale, there are many coalfields suffered from spontaneous combustion of coal seam problems.在全球范围内, 许多煤田都存在煤层自燃问题....
- #coalfields
- #造句