leachKK [litʃ] /litʃ/發音動詞1濾出、流失、滲出Nitrates from the fields leach into the groundwater.農田裡的硝酸鹽會滲入地下水。2沖走、濾去、溶出Heavy rain leaches nutrients out of the topsoil.大雨會把表土裡的養分沖走。3逐漸流失、一點一點消失多與 away 連用His confidence leached away after the third rejection.第三次被拒絕後,他的自信一點一點消失了。名詞1淋溶、濾取專業The lab measured the leach of metals from the waste pile.實驗室測量了廢料堆中金屬的淋溶量。