urethra [jʊ'ri:θrə]

例句:

• It is thought to clean the urethra before ejaculation and act as a lubricant during sex.
  来自BBC
• The sick cow frequently attempts urination and pulsates the urethra over the ischium arch.
  病牛频频企图排尿,搏动坐骨弓上的尿道.
  
• The clistressed cow frequently attempts urination and pulsates the urethra over the ischial arch.
  病牛频频企图排尿,坐骨弓上的尿道发生搏动.
  
• This is the first secretion to pass down the urethra when a man becomes sexually excited.
  来自BBC
• The urethra originates at the neck of the bladder.
  尿道起始于膀胱颈部.
  
• Sperm and urine both leave the body through a tube called the urethra that runs down the middle of the penis.
  来自BBC