Ihavearoom.It'snotbig,butit'sreallytidy.YoucanseeamapofChinaonthewall.Thereisabigbedinmyroom
比如生活在距今约70万年至20万年前的北京人,他们因为受到了虎、豹、熊等凶猛野兽的严重威胁,为了生活下去,他们用石块敲打成粗糙的石器,把树枝砍成木棒,并且使用这些工具,用来捕猎野兽,并且还会使用天然火
Inthefuture,Iwantarobot.Itcandoallkindsofhousework.Itcanwashdishesandmyclothes,makethebedandsoon.Whe
Mygrandmotherlivedinthevillagedock,grandmaisnottallnorshort,shehasaroundface,somebodyfat,hasgrayhair