could have been

意思翻译 可能是 相似词语短语 have been───已经；一直；去过（现在完成时） could have───本能够; 本来也可以；本能够；本来也可以 have been dead───已经死了 have been there───亲眼看到；直接了解；全都知道；曾到过那里；全都知道， 直接了解， 亲眼看到 l have been───我一直 have been to───v.曾经到过（去过） have been in───呆在某个地方；去过某个地方 phosphates could...