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- Theirs is probably the longest migration flight. 这也许是最远的迁移飞行。
- Pilot tracks monarch butterflies on long migration 飞行员追踪蝴蝶长途迁徙
- Scientists have studied the migration of fish over long distances. 科学家研究过鱼类远距离回游的现象。
- A tern (Sterna paradisaea) that is noted for its extremely long migrations, typically from the Arctic to the Antarctic and back each year. 北极燕鸥：一种燕鸥（燕鸥属极乐鸟属），以其极遥远的迁徙著称，以每年从北极到南极并返回为特征
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- You can keep my book as long as you like. 我的书你要借多久都随你的便。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- The beggar spun a long yarn about his misfortunes. 那个乞丐编造了一大篇自己如何遭遇不幸的故事。
- How long will our food supplies hold out? 我们的储粮还能维持多久?
- It was a long trudge up the hill. 那段上山的路很难走。
- Mr Jones has a long history of heart trouble. 琼斯先生有长期的心脏病史。
- Cream cakes are no long a luxury. 奶油蛋糕再也不是奢侈品了。
- It took a long while to do the work. 做这个工作花了许多时间。
- Between ourselves, that young man's hair is much too long. 就咱俩之间说说，那小伙子的头发实在是太长了。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- It was very thoughtless of you to keep her waiting so long. 你让她等那么久也太不体谅人了。
- He delivered a long prose full of platitudes. 他发表了一篇充满陈词滥调的文章。
- Long hair for men came in in the sixties. 男子留长发在六十年代流行。
- He kicked in after a long and painful illness. 经过长期痛苦的疾病之后，他死了。
