sacrificial
🇺🇸
/ˌsækrɪˈfɪʃl/
🇬🇧
/ˌsækrɪˈfɪʃl/
given up or offered as a sacrifice
The team made a sacrificial effort to help the project succeed.
团队做出了牺牲性的努力来帮助项目成功。