A chasm separates my generation from my parents '.分歧使我这一代人不同于我父母那一代.Suddenly a huge chasm opened in the earth.大地突然裂开,形成一道深坑.A huge chasm gaped before them.他们面前有个巨大的裂痕....
最好先伸展一下僵硬的肌肉。It is better to stretch the tight muscles first.我被要求伸展手臂，收紧胸肌。I was required to hold out my arms and flex my pectorals.这块地从草木茂盛的狭长地带一直伸展开来。The land sweeps away from long areas of greenery....
Our bodies derive an abundance of hematin from food.人体从食物中取得大量的正铁血红素.Conclusion: Purified SOD, hematin and nourishing peptone were successfully extracted and prepared from hog blood.结论: 从猪血中成功制备了产率与纯度较高的SOD 、 红素以及营养价值较高的...