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....
滑雪板、滑雪靴和滑雪服皆有出租。Hire of skis, boots and clothing, is all available.新建的滑雪板运动设施应该会吸引更多的人。New snowboarding facilities should attract more people.有经验的滑雪板运动员能够以极快的速度滑下山。Experienced snowboarders can zip downhill amazingly fast...
Virtually all liquids, when mixed and heated, will display azeotropic behaviour.实际上所有液体混合并受热时, 都表现出恒沸物的特性.One calls this azeotropic composition.人们将此组成称为恒比组成.Further , the azeotropic point was eliminated therefore by addi...
At a W.H.O. news conference, Marie-Paule Kieny, chief of the W.H.O.'s vaccine research initiative, estimated that the world's vaccine makers had the capacity to make a maximum of one to two billion doses of a n...