at the head of

The marshal rode at the head of the parade.

典礼官在检阅队伍前面骑马行进。

The country’s main port is located at the head of fjord on Norway’s southern coast.

挪威港口，位于挪威南海岸海湾上游。

His resignation has left a power vacuum at the head of the party.

他辞职使得该党领导位置出现了权力真空。

At the head of the pyramidal political structure was the mwami (“king”), considered to be of divine origin.

处在这一政治金字塔形政体结构顶端是姆瓦米（mwami，国王），被视为神。