柯林斯詞典drainage /?dre?n?d?/ 1. N-UNCOUNT Drainage is the system or process by which water or other liquids are drained from a place. 排水; 排水系統(tǒng) Line the pots with pebbles to ensure good drainage. 在這些花盆裡鋪上一層卵石以確保良好的排水性。 返回 drainage劍橋詞典the system of water or waste liquids flowing away from somewhere into the ground or down pipes 排水系統(tǒng)；排汙系統(tǒng) drainage channels /ditches /systems 排水渠／溝／系統(tǒng) the ability of soil to allow water to flow away 土壤排水能力 These plants need a sunny spot with good drainage. 這些植物需要種植在陽光充足的地方，土壤排水能力要強。 返回 drainage