词汇	地史
释义	地史 DìShǐearth history；geological history
随便看	Is this train for Shanghai Is this train for Shanghai? Is this train going to Terminal A? Is this true Is this true? is this vacancy still available? Is this VCR with Karaoke Is this VCR with Karaoke? Is this wallet yours Is this wallet yours? Is this wall plumb Is this wall plumb? Is this watch accurate is this watch accurate? Is this watch accurate? Is this watch accurate ? Is this watch authentic Is this watch authentic? Is this watch waterproof Is this watch waterproof? Is this watch yours Is this watch yours? Is this water drinkable Is this water drinkable? Is this what I ordered