#酷艾英语早起团[超话]# Learn the ABC of science before you try to ascend to its summit; never rush forward without fully mastering foundational knowledge first.·Ivan Pavlov http://t.cn/AXommXsi
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#酷艾英语早起团[超话]# Learn the ABC of science before you try to ascend to its summit; never rush forward without fully mastering foundational knowledge first.·Ivan Pavlov http://t.cn/AXommXsi