https://online2.tingclass.net/lesson/shi0529/0008/8124/838_839_danci.mp3
https://image.tingclass.net/statics/js/2012
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[by:聽力課堂~m.360newlife.cn]
[00:02]specimen 樣本,標本
[00:14]involve 包含,含有
[00:27]compose 組成,構(gòu)成
[00:40]consist 組成,構(gòu)成
[00:53]constitute 組成,構(gòu)成
[01:09]attribute 把…歸因于,把(過錯、責(zé)任等)歸于
[01:26]