natural mutants

• 自然变异

natural mutants的用法和样例：

例句

1. There is more than enough natural variability in nature to mask a direct connection, they say.
   他们表示，自然界里有着太多的自然变异使其直接联系不易被察觉。
2. But the usual causes of natural variability do not seem to explain the current trend, so scientists incline to the view that it is man-made.
   但通常的自然变异原因似乎解释不了目前的趋势，所以，科学家倾向于认为这是人为的。