It's using some rather primitive technology.

　　它使用的是非常古老的技術。

　　The primitive surgery of those days left him virtually deaf in one ear

　　那時候簡陋的外科手術讓他一只耳朵幾乎失聰。

　　The conditions are primitive by any standards

　　無論用什么標準來衡量，其條件都很簡陋。

　　The paradox is that the region's most dynamic economies have the most primitive financial systems

　　矛盾之處在于這個地區最有活力的經濟體卻有著最落后的金融體系。

　　Primitive humans needed to be able to react like this to escape from dangerous animals

　　原始人必須要能作出這樣的反應以逃避危險的動物。