1. It seems commonly believed that companies are not motivated to prolong their products' lifespan. 人们似乎普遍认为,公司没有动力去延长产品的寿命。
2. In government laboratories and elsewhere, scientists are seeking a drug able to prolong life and youthful vigor. 在政府实验室和其他地方,科学家们正在寻找一种能够延长寿命、让人保持年轻活力的药物。
3. Extreme high-performance sports may lead to optimal cardiovascular performance, but they quite certainly do not prolong life. 极限高强度运动可能会带来最佳的心血管功能,但这些运动肯定无法延长寿命。
4. The operation could prolong his life by two or three years. 这次手术可使他多活两三年。
5. Isoprinosine and muramyl dipeptide (MDP) could promote animal immune function, and prolong the sleeping time of mice and rabbits. 异斯皮洛宁和鼠基二肽(MDP)可以促进动物的免疫功能,并延长小鼠和兔子的睡眠时间。