book 7 unit3 using language
③He reflected on his past mistakes.他反省了过去的错误。④Technology's impact on the past decade was reflected in the list.技术对过去十年的影响也在榜单中得到了体现。
知识拓展reflect on/upon思考;反省reflect sth. from sth.反射reflection n.反映;影像;思考I reflected on possible reasons for my failure.我仔细考虑导致我失败的原因。


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