pen pen
网络释义
PEN PEN（聚萘二甲酸乙二醇酯）的结构与PET相似，不同的是用萘环取代了苯环，但几乎在各方面都优于PET：其阻隔性约为PET5倍，耐热性、耐化学药品性能更好。
基于1个网页-相关网页
super pen pen car 超级碰碰车
Pen Pen Tri Icelon 企鹅大竞速
PPAP-Pen Pineapple Apple Pen 笔菠萝苹果笔
penholder pen-rest pen rack 搁笔或插笔的架儿
双语例句原声例句权威例句
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One is practical, such as pen, pen hanging, cane, pillows, flower racks, etc.
一类是实用型的，如笔筒、笔挂、手杖、枕头、花架等；
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And relabel the cans with a marking pen to list their contents and any dates when the foods are best used by.
VOA: special.2010.07.19
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The only fingers with which he'll be able to hold his pen and write this poem are his forced fingers rude.
他能用来执笔写诗的手指,是他粗鲁的手指。
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I met a man the other day who told me that when he was in high school, he had a pen pal.
前几天我遇到一个人，他告诉我在高中的时候，他有一个笔友。
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