1. But, of the vertebrates, unpredictable Nature selected only snakes (and one lizard).
    但是在脊椎动物中, 神秘莫测的大自然只选择了蛇(和一种蜥蜴).

2. But, of the vertebrates, unpredictable Nature selected only snakes (and one lizard).
    但是在脊椎动物中, 神秘莫测的大自然只选中蛇(和一种蜥蜴)

3. But, of the vertebrates, unpredictable Nature selected only snakes (and one lizard).
    然而，在脊椎动物中，大自然神秘模测地只选择了蛇（还有一种蜥蜴），

4. He was of a mercurial temperament and therefore unpredictable.
    他是个反复无常的人, 因此对他的行为无法预言。

5. He was of a mercurial temperament and therefore unpredictable.
    他是个反复无常的人, 因此对他的行为无法预言。

6. Announced Thursday that it would sustain a net financial loss of unpredictable scale in its first financial year.
    该公司星期四称在首个财政年度里公司将继续蒙受难以预料的净亏损。