bound of aggregation

例句：

1. 1. The rope was bound tightly around the tree.
   绳子紧紧地绑在树上。
2. 2. The prisoner was bound by his own words.
   囚犯被自己的誓言所束缚。
3. 3. The team is bound to win the championship.
   这个团队注定要赢得冠军。