名词 pen:

1. a writing implement with a point from which ink flows

2. an enclosure for confining livestock

3. a portable enclosure in which babies may be left to play

4. a correctional institution for those convicted of major crimes

5. female swan

动词 pen:

1. produce a literary work

penn.钢笔；笔；写作；围栏；雌天鹅v.写；把…关在圈中Penzol彭索尔penmann.笔者；画家；书法家penultn.语尾倒数第二音节Penite亚砷酸钠penpaln.笔友Pencio彭乔pen-笔杆；蘸水笔杆Pendsen.彭齐Penera口服青霉烯制剂Penickn.佩尼克

1. These fountain pens last a long time.
   这种钢笔且使呢。
2. The new pens are no better than the old ones.
   这些新钢笔同那些旧的没什么两样。