form a

• There the cells divide rapidly to form a single layer of skin .
  细胞在其中迅速分裂，并形成一个单层的皮肤。
• Successive wave fronts in this case form a series of concentric spheres .
  相继波前形成了一系列的同心球面。
• They react with many metals to form a salt and give off hydrogen .
  它们能和许多金属起反应，生成盐并放出氢。
• Perhaps his short stories form a more substantial claim to remembrance .
  说不定他的短篇小说更值得让人怀念。
• It forms a flexibility matrix which, when inverted, gives (so＊) .
  当形成一个柔度矩阵求逆时，它给出（So）。
• The river formed a natural blockade to the spread of the forest fire .
  那条河成了阻止森林大火蔓延的天然屏障。
• The mud is swept away and the residual sand content remains to form a beach .
  泥质被冲刷掉，剩下的砂形成海滩。
• the alkanes form a homologous series of general formula h.
  烷形成是有通式H的同系列。
• The resourceful jurist formed a plan to recover his own laurels .
  足智多谋的法学家已经想出了一个恢复名誉的计策。
• Mrs. weston had formed a very favourable idea of the young man .
  韦斯顿太太对这位年青人产生了一种十分良好的印象。