英语词汇“step trench”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	step trench
释义	step trench noun : a trench cut in a series of steps from the base to the top of a mound for determining the cultural levels of an archaeological site
随便看	dietetically dietetics diethanolamine diether diethers diethyl ether diethyl ketone diethyl phthalate diethyl sulfate diethyl tolu diethyl toluamide diethyl zinc diethylcarbamazine diethylcarbamazines diethylmalonylureae diethylmalonylureas diethylstilbestrol diethylstilbestrols diethylstilboestrol diethylstilboestroles diethylstilboestrols dietic dietician dieticians dietine

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step trench