是由于

• The death of the speleologist is due to the infall of the cave .
  这位洞穴学家之死是由于地洞的塌陷。
• It was owing to a girl that he stood a mark for tongues .
  全是由于一个姑娘，才使他成了流言蜚语的靶子。
• In children under 3 years of age, most burns are due to scalds .
  3岁以下儿童的烧伤，大多数是由于烫伤。
• A singular restlessness had driven him to her door .
  纯粹是由于一种坐立不安的焦躁情绪驱使他来到她门前。
• Man's conduct is usually determined by quite different motives .
  人的行为常常是由于许多不同的动机决定的。
• This is probably the result of slippage of cells alongside each other .
  这可能是由于彼此相依的肌细胞错开。
• People get doctorates for inspired guesses like that !
  人们往往是由于作出如此富于灵感的猜测而获博士学位的。
• The success of the modern approach is due in large part to realism。
  现代研究的成功主要是由于更接近真实性。
• The further growth of a bar is due to a lowering of sea level .
  砂洲的进一步生长是由于海平面正在下降的结果。
• This change is considered to be due to denaturation of the enzyme .
  据认为这种变化是由于酶的变性作用造成的。