The trace of mercy, not just think the phantom pain?

那一丝丝的怜悯，不正是思痛的幽灵？

One such condition is phantom pain that persists in the mouth after a tooth has been removed.

幻痛就是这样一种牙病，在患者拔牙后一个月内一直挥之不去。

To their delight, they discovered that memantine not only reduced changes in the brain, it also decreased both the incidence and the intensity of phantom pain.

让他们欣慰的是，他们发现美金刚胺不但减少了大脑的改变，而且也降低了患肢疼痛的次数和强度。

With this hypothesis in mind, she reckoned that another way to treat phantom-limb pain might be to prevent pain memories from forming in the first place.

根据这个假设，她构想另一种治疗途径应该是在一开始就防止形成关于疼痛的记忆。

This is causing occasional, but significant pain to developers by forcing them to chase phantom test failures.

这将给开发人员带来虽然是偶尔的，但却是严重的困难，它将迫使他们追赶虚幻的测试失败。