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primary grade造句

"primary grade"是什么意思  
造句與例句手機版
  • Of these two primary grades all other grades were varieties .
    其它種種級別都是這兩種主要級別的異稱。
  • Since research shows that children in the primary grades and minority and low - income children benefit most from smaller classes , it makes sense to direct resources particularly toward these children
    由于有研究表明,低年級學生、少數(shù)民族學生、來自低收入的家庭的學生從小班中受益最大,因此應優(yōu)先選擇這些學生。
  • It's difficult to see primary grade in a sentence. 用primary grade造句挺難的
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