常见例句用作名詞 (n.)What he said is a pure hypothesis.他所說的純粹是假設。Soppose you should contradict yourself,what then?假設你說了，那又怎麽樣呢？用作形容詞 (adj.)That left a question of what the ancestor of the arthropods looked like.許多學者據現有的線索，提出節肢動物理論上假設的祖先，但結果很不一致。 返回 what-if