坑坑洼洼 坑坑洼洼的英文 英语翻译 bumpy; rough 拓展翻译 锯木坑sawpit掘坑hole坑delve; hole; pit; tunnelpits坑厕latrine; pit privy坑道sap; tunnel坑道贫血tunnel anemia坑道支柱pitprop坑害entrap坑口pithead坑木pitprop坑砂quarry sand坑水effluent矿坑气carburetted hydrogen垃圾坑cesspit