1. He dreams of becoming a professional ascensionist and conquering the world's highest peaks.
他梦想成为一名专业的登山攀岩者，并征服世界上最高的山峰。
2. The ascensionist spent years honing his skills and mastering different climbing techniques.
这位登山攀岩者花了多年时间磨练自己的技能，掌握不同的攀岩技术。