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- 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。
- Light is refracted when passed through a prism. 光线经过棱镜时产生折射现象。
- pent prism 五棱镜
- 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。
- The sunlight will break into different colors through a prism. 阳光穿过棱镜时将分解成各种颜色。
- 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。
- He is rooting about for his fountain pen. 他正在寻找他的自来水笔。
- I'm wild about losing my gold fountain pen. 我因遗失了自来水金笔而暴躁不安。
- Don't make so much fuss over losing a pen. 别为了丢失一支笔就这样大惊小怪。
- I've searched high and low for my lost pen. 我到处寻找丢失的钢笔。
- I don't like being pent up in the house all the time. 我不喜欢整天给关在屋子里。
- That was only a slip of the pen. 那仅是笔误。
- I can't find my pen though I've looked everywhere. 我到处找那支钢笔,可就是找不到。
- I've hunted high and low for the pen. 我已到处寻找过那枝笔。
- She makes a living with her pen. 她靠写作为生。
- The dog chased the sheep into the pen. 狗追赶羊入栏。
- A prism decomposes sunlight into various colors. 棱镜把阳光分析成不同的颜色。
