单词	planting pit
释义	planting pit noun : a wooden or metal box sunk at the pit end of a pole-vault runway to prevent the vaulter's pole from slipping Word History Etymology planting entry 1
随便看	Suman sumas Sumatra Sumatra camphor Sumatra leaf Sumatra seed Sumatra wax sumatrae sumatran sumatrans sumatras sumatriptan Sumba Sumbawa Sumbawanese Sumdum sumdums sumen Sumer sumer sumeres Sumerian sumerians Sumeric Sumero-

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