例句與造句

1. Crack patterns of this form are often referred to as craze patterns since the cracks have no preferential direction .
   因?yàn)檫@種裂紋沒有優(yōu)勢方向，所以常常把這種形式的裂紋圖叫做龜裂圖。
2. It's difficult to find preferential direction in a sentence. 用preferential direction造句挺難的