花瓶底部很宽，可以稳稳地放在桌子上。

The vase has a wide ___base that keeps it steady on the table.

我们的团队将以伦敦为基地开展欧洲业务。

Our team will use London as the ___base for European operations.

这些数据为我们的分析打下了坚实的基础。

This data serves as a solid ___base for our analysis.

这个酱汁以番茄为底料，再加入香草调味。

The sauce uses tomato as its ___base, then adds herbs for flavor.

这个军事基地位于山区，非常隐蔽。

This military ___base is located in the mountains and well hidden.