... tread tread on underfoot 比喻摧残 tread as on eggs 瞻前顾后 ; 如履薄冰 tread lightly on the Earth 轻踩大地 ...
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... tread tread on underfoot 比喻摧残 tread as on eggs 瞻前顾后 ; 如履薄冰 tread lightly on the Earth 轻踩大地 ...
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