conquest

这面旗帜代表着人类对火星的征服。

This flag represents humanity's ___conquest of Mars.

他把她对他的爱视为最大的征服。

He regarded her love for him as his greatest ___conquest.

那位足球明星在粉丝见面会上又征服了一位新粉丝。

The soccer star made another ___conquest at the fan meetup.