bur

detach a check from the checkbook; detach burs from one's coat.

从支簿上撕下一张支；取下大衣上粘附东西

He picked off the burs that had stuck to his overcoat.

他摘下粘在外衣上刺果。

Our experimental evidence indicates that subjects do vote instrumentally, bur instrumental voting may lot fully explain voter turnouts in some real elections.

实验结果显示他们确实会因此而，工具论无法完全解释某些现实选举中率。