She became the tsarina of the tech industry by leading major innovations.

tsarina 是名词，源自俄语，指"女沙皇"或"沙皇的妻子"。在英语中常用来比喻某个领域里拥有至高权力或影响力的女性。这里用"沙皇"比喻她在科技行业的统治地位。