natural sources meaning in English
天然来源
Examples
- It is a very natural source of amusement, and many of those who join in the laugh are perhaps not unused to resort to it in secret .
这是一件十分自然的赏心乐事，就连那许多附和着别人嘲笑的人们，其中也未尝没有惯常偷偷摸摸地享受这种乐趣的。 - Water : the natural source of lao zi ' s philosophy of life
老子生命哲学的自然底蕴 - A study on natural source of tick - borne cephalitis
蜱媒脑炎自然疫源探究 - Standard test method for rubber from natural sources - color
天然橡胶的标准试验方法.颜色 - Test methods for rubber from natural sources - chemical analysis
天然橡胶的试验方法.化学分析