She dropped out after 20 kilometres with stomach trouble.20公里后她因胃痛而退出了比赛。My bulging thighs and flabby stomach made me depressed.我大腿太粗，肚子上也净是赘肉，让我很发愁。Foods and fluids are mixed in the stomach by its muscular contractions....
The one with the stomach trouble let out a hiss.那害肚子的人报以一声“嘘”.Be conscious of your stomach rising very gently as you inhale.并且意识到在你每次吸气时,你的小腹会微微地鼓起.What thing is key lienal a stomach?什么东西是键脾养胃?The other injured man had a...