追本溯源：巴拿馬運河：歷史水道迎戰新挑戰2 | History/Origin: The Panama Canal: A Historic Watercourse Facing New Challenges 2
【中文簡介】
[English Description]
00:00 開頭 - Intro
02:19 課文朗讀 1 - Reading 1
03:04 課文講解 1 - Explanation 1
10:56 課文朗讀 2 - Reading 2
11:40 課文講解 2 - Explanation 2
22:40 重點整理 - Review
23:38 英語好好玩 - Words of the Week
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