他在逆境中表现出了勇气。He showed courage in adversity.面对逆境的勇气courage in the face of adversity面对逆境她从未想过放弃.When faced with adversity she was never tempted to give up....
China was the first country in the world to synthesize crystalline insulin, a bioactive protein.中国在世界上最早用人工方法合成一种有生物活力的蛋白质--结晶胰岛素.Microorganisms can produce many beneficial bioactive substances through secondary metaboli...