您要查找的是不是：
- railroad curve pen 双线笔
- Railroad trains and buses are public conveyances. 火车和公共汽车是公共交通工具。
- We walked as far as the railroad station. 我们走到火车站那样远的地方。
- My deskmate wanted to trade his pen for my book. 我的同桌想用他的钢笔换我这本书。
- A host of friend meet him at the railroad station. 一大群朋友在火车站迎接他。
- We will send the goods by railroad. 我们将用铁路运输货物。
- He made motions to me to pass the pen. 他向我打手势，要我把钢笔递给他。
- Put down my pen and stop fiddling! 把我的钢笔放下，别用手玩弄！
- She delved in her bag and pulled out a pen. 她在提包里翻找，拿出一枝钢笔。
- Have they broken ground for the new railroad? 他们有没有开工建造那条铁路？
- The railroad gives free transportation for a certain amount of baggage. 铁路免费运送的行李是有一定数量的。
- Charles bought a pen at the dime store. 查尔斯在廉价店买了一支钢笔。
- Somebody has walked off with my pen. 有人把我的钢笔偷走了。
- Follow the railroad track about100 meter. 顺着铁路走大约100公尺。
- He is rooting about for his fountain pen. 他正在寻找他的自来水笔。
- The falling star described a long curve in the sky. 流星在空中画出了一道长长的弧线。
- I'm wild about losing my gold fountain pen. 我因遗失了自来水金笔而暴躁不安。
- A host of friends met him at the railroad station. 一大群朋友在火车站迎接他。
- Building the new railroad will be a mammoth job. 修建那条新铁路将是一项巨大工程。
- There are a lot of people in the railroad station. 火车站里有许多人。
