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文字稿:

450 metres above a gorge near the Grand Canyon.

With no safety harness, American acrobat Nik Wallenda walks the tightrope.

Wind made the cable sway during the 22 nail-biting minutes it took him to cross.

But towards the end he felt confident enough to kneel and blow a kiss to fans waiting on the other side.

Vocabulary 詞匯:

gorge 峽谷

safety harness 安全帶

walks the tightrope 高空走鋼索

nail-biting 非常緊張的，令人提心吊膽的

blow a kiss 飛吻