蜜蜂有一个刺针，会引起疼痛。

The bee has a stinger that can cause pain.

膀胱感染会引起疼痛和不适。

A bladder infection can cause pain and discomfort.

巨大皮疹可引起局部异物感或因摩擦而引起疼痛。

A large skin rash can cause local foreign body sensation or cause pain due to friction.

冷冻破坏了癌细胞 、 炎症细胞以及引起疼痛的感觉神经细胞.

Freezing destroys the cancer cells, inflammatory cells, and small sensory nerve cells that cause pain.

这是相当危险的，这种情况可引起疼痛以及疤痕组织产生，从而导致怀孕困难。

While this is rarely dangerous, it can cause pain and produce scar tissue that may make it tough to get pregnant.

美国安娜堡密西根大学及马里兰大学的神经科学家，把盐水注射到年轻男性志愿者的下巴肌肉以引起疼痛。

Neuroscientists at the Universities of Michigan at Ann Arbor and Maryland injected saltwater into the jaw muscles of healthy young male volunteers to cause pain.

尿路感染可能会影响尿道，引起疼痛和不适。

A urinary tract infection can affect the urethra, causing pain and discomfort.

热水是手缩回的无条件刺激，因为它会引起疼痛。

Hot water is an unconditioned stimulus for withdrawing your hand because it causes pain.

有些囊肿会引起疼痛，需要手术切除。

Some cysts can be painful and require surgical removal.

奶可以用手挤取, 但这经常引起疼痛.

Milk can be expressed manually, but this often causes pain.