起码

1. minimum; rudimentary; elementary

♦ ~的要求 minimum requirements

♦ ~的知识 rudimentary knowledge; elementary knowledge

2. at least

♦ 这项工程~要到五月才能完成。 This project can't be completed until May at the earliest.

♦ 参加测验的~有三千人。 At least 3, 000 people took the test.