pairing of linear spaces

例句：

1. 1. The twoteams are playing a friendly match against eachother.
   这两支队伍正在互相进行友谊赛。
2. 2.The scientists have developed a new pairingof drugs to treat cancer.
   科学家们已经开发出一种新的药物组合来治疗癌症。
3. 3. The chefpairs the flavors together perfectly for a deliciousdish.
   厨师将各种口味完美地搭配在一起，制作出一道美味的菜肴。