替换物

例句：

1. 1. The old chair was replaced by a new one.
   旧椅子被一把新椅子取代了。
2. 2. He replaced the broken window with a new one.
   他用一块新的窗户替换了破碎的窗户。
3. 3. She replaced the missing pen with a different one.
   她用一支不同的钢笔替换了丢失的那支。