keep bolt

例句：

1. 1. The teamkept their winning streak alive.
   球队保持了他们的连胜纪录。
2. 2. She kept her promise tohelp me with my homework.
   她答应帮我做作业，没有食言。
3. 3. The companykeeps its headquarters in New York City.
   这家公司总部设在纽约市。