换

• The boy traded his knife for a cricket bat ...
  那男孩用他的刀子换了一个板球棒。
• The red coat changed for one of blue and buff .
  红色上衣换成了一件蓝黄色的衣服。
• The burnt coil should be renewed .
  烧穿的线圈应换新的。
• Later they will replace the stick with a big stone .
  以后他们将用大石块换掉杆子。