turtleback造句

例句与造句

1. Filter of abstraction technics for turtleback
   龟甲的提取工艺筛选
2. Make carbon to a turtleback excuse me 14 determine how many fee to need ? how to apply for , what is there relevant formalities
   请问对一个龟甲做碳十四测定需要多少费用?如何申请,有什么相关手续
3. It's difficult to find turtleback in a sentence. 用turtleback造句挺难的