coupling with rubber type element

例句：

1. 1. The scientists are trying to understandthe molecular mechanisms of the reaction.
   科学家们正在试图理解反应的分子机制。
2. 2. The twoteams are working together to achieve a commongoal.
   两队正共同努力实现共同目标。
3. 3. Thecouple has been married for over 20 years and still enjoy each other's company.
   这对夫妇结婚20多年，仍然享受彼此的陪伴。