理解遗传密码为医学研究和生物技术开辟了新的途径。
Understanding the genetic code has opened up new avenues for medical research and biotechnology.
The only fence against the world is a thorough knowledge of it.
The best leather tells a story of quality, ethics, and timelessness.
但是人鱼没有眼泪,所以她经受了更多的苦难。