同根派生 hand pump相關(guān)詞英漢例句A small open railroad car propelled by a hand pump or a small motor.手泵式四輪小車(chē)由一個(gè)小馬達(dá)或一臺(tái)手泵敺動(dòng)的小型無(wú)篷路軌車(chē)hand pump更多例句