huó yè bǐ jì běn
loose-leaf notebook
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ground rent,
ground rule,
ground speed,
ground squirrel,
ground state,
ground stroke,
ground substance,
ground swell,
ground tackle,
ground water,
相似单词
活性污泥,
活性氧,
活叶,
活叶式的,
活叶似的,
活页笔记本,
活页簿,
活页画簿,
活页乐谱,
活页纸,