undefiled怎么记

Gas is the coal's accompany sources, it belongs cannot regenerate lustration energy sources, so increasing gas's take out effect, and increasing using rate of gas, that is important task to improve the produce safe status and empolder undefiled energy sources.

瓦斯是煤炭的伴生资源，同时又属于不可再生的洁净能源，因此，提高瓦斯抽集效果，增加瓦斯能源利用比率，是改善煤矿安全生产状况和开发绿色能源的重要课题。

Jas. 1:27 this is pure and undefiled religion before our God and father: to visit orphans and widows in their affliction and to keep oneself unspotted from the world.

雅一27在神与父面前，那清洁没有玷污的虔敬，就是看顾在患难中的孤儿寡妇，保守自己不受世界玷污。

and added that he was fearful Christianity, or rather Christians, had unfitted him for ascending the pure and undefiled throne of thirty pagan Kings before him.

不过他补充说，他深怕文明，或者不如说是文明人的影响，已经使他不配登上那相承三十代的纯净无疵的异教王座了。