| 自然资源开发 natural resources exploitati... |
| 自然辩证法 dialectics of nature |
| 自然边界 natural boundary |
| 自然选择 natural selection |
| 自然通风 perflation |
| 自然韵律 natural rhythm |
| 自然魅力 charms of nature |
| 自燃 spontaneous combustion |
| 自燃温度 autoignition temperature |
| 自燃点火 spontaneous ignition |
| 自燃物 pyrophorus |
| 自爱 regard for oneself |
| 自爱自重 self-esteem and self-discipl... |
| 自状其过 confess one's own mistakes |
| 自理 take care of oneself |
| 自甘堕落 give up all confidence in on... |
| 自甘落后 be resigned to a state of la... |
| 自生 authigene |
| 自生作用 authigenesis |
| 自生力 idiosthenia |
| 自生植物 volunteer plant |
| 自生自灭 emerge of itself and perish ... |
| 自生至死 from the womb to the tomb |
| 自用 obstinately holding to one's... |
| 自用物品 personal effects |
