erections

例句:

• Crystal methamphetamine constricts the blood vessels, which makes sustained erections difficult.
  来自NEWYORKER
• Cruelties , insults , had, he perceived , been inflicted on the aged erections.
  他看出来, 这些古老的建筑, 曾受过侮辱和虐待.
  
• Large dosage can cause headaches, dizziness, vomiting, tremors, gastroenteritis and pathogenic erections.
  阴虚阳浮﹐满气逆及麻疹已透者忌服.大剂量可能导致头痛 ﹐ 晕 ﹐ 吐 ﹐ 抖 ﹐ 胃发炎﹐茎病态勃起.
  
• See a doctor or sex therapist if you have trouble getting or maintaining erections.
  如果你阳萎或不能维持勃起,你应该去看医生或性临床专家.
  
• Keeping sexually active does help to maintain pelvic muscle tone and normal erections.
  来自BBC
• Problem solved. Or, tell the Chinese King Crab helps with iron-rod erections.
  来自SA