| 释义 |
天然的
基本例句
unlearnedcrudeinartificialphysicalsavagerudenaturalnative
洞向地表开有出口的地下的或通向地内的中空或天然的通道A hollow ornaturalpassage under or into the earth with an opening to the surface.
角状物天然的或合成的，类似于角质物的物质Anaturalor synthetic substance resembling this material.
钻石小的天然的或人造宝石，用作手表中的轴承A smallnaturalor artificial gem used as a bearing in a watch.
有些昆虫有一种天然的保护色可以防止敌人的袭击。Some insect have anaturalcamouflage which hide them from the attack of their enemy. |