追本溯源：巴拿馬運河：歷史水道迎戰新挑戰1 | History/Origin: The Panama Canal: A Historic Watercourse Facing New Challenges 1
【中文簡介】
[English Description]
00:00 開頭 - Intro
02:50 課文朗讀 1 - Reading 1
03:37 課文講解 1 - Explanation 1
10:59 課文朗讀 2 - Reading 2
11:55 課文講解 2 - Explanation 2
22:25 重點整理 - Review
23:24 英語好好玩 - Words of the Week
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