《The Grand Canyon was not just big》Wonders of the world PPT课件3-302edu教育资源网

Words and expressions

reply clear fall away stream nearly on top of canyon remain by

v. 回答；答复 v. ( 烟雾等）开始消失突然向下倾斜 n. 小河，小溪 adv. 几乎；差不多在……上面；盖住 n. 峡谷 v. 逗留，留下 prep. 在……旁边；靠近

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