unblockerEnglish → ChineseOxford English–Chineseunblocker /BrE ʌnˈblɒkə , AmE ˌənˈblɑkər / noun 1 [uncountable] (substance) (sink/drain) unblocker (洗涤池/下水道)疏通剂 2 [countable] (device) 管道疏通器