基本解释[地球科學]鑛脈頂英汉例句雙語例句I cleaned the car by hand for the first time in years, then found a mother lode of black beans in the back of the cupboard.幾年來，我第一次自己動手清洗汽車，而後又在櫥櫃背後發現許多豆豉。back of lode更多例句专业释义地球科學鑛脈頂