The rides are unsuitable for people of a nervous disposition.

这种骑乘不适合紧张型性格的人。

She was of a nervous disposition.

她生性容易紧张。

But, for those of a nervous disposition, the tying of an ancient greenhouse warming to an ancient mass extinction might suggest lessons for the future.

但是对于这些性情冲动的火山，古代的温室变暖和古代大量物种灭绝之间的联系或许对未来有诸多的借鉴意义。