单词	head race
释义	head race 上游水道
随便看	boundary constituent boundary constraint boundary constraint influence boundary continuum boundary-contraction method boundary contraction method boundary contrast boundary control boundary controller boundary control problem boundary cooperation area boundary correction boundary correspondence boundary cost boundary costa boundary creep fracture boundary-crossing boundary current boundary current blinding out boundary current system boundary curve boundary cutoff boundary cycle boundary defect boundary demarcation 凶神恶煞凶终隙未凶终隙末凷凸凸3 凹出出1 出2 白求恩白汤白沫白河白油灰白泡白泡儿白泥白洋白洋布