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MP3下载

https://online2.tingclass.net/lesson/shi0529/0008/8118/540_541_danci.mp3

https://image.tingclass.net/statics/js/2012

[00:05]security 安全，保障

[00:18]sake 缘故，理由

[00:29]shake 摇动，摇

[00:41]shed 脱落，脱去

[00:52]sheer 完全的，十足的

[01:03]shell 壳，贝壳

[01:12]link 连接，联系

[01:22]