n. 朋友;老兄,兄弟;小子;(对男子的不友好的称呼)家伙
vi. (和某人)结伴,共度时光;成为(某人的)朋友
网络 苯丙氨酸解氨酶(phenylalanine ammonia-lyase); 好朋友; 逐行倒相(Phase Alternate Line)
Philip is looking for a pen pal in Britain.
菲利普正在寻找一位英国的笔友。
This letter is from your Australian pen pal.
这是来自澳大利亚的笔友的信。
If I were you, pal, I´d stay away from her!
我要是你呀,小子,我就离她远远的!
Jane is my new pen pal, I often look forward to receiving her e-mail.
简是我的新笔友,我经常期待收到她的电子邮件。
Write questions for your pen pal to answer in his next e-mail.
给你的笔友写一些问题,以便他在下一封电子邮件中回答。