1. Long after it was heard no more.
    尽管歌声早已经听不到。

2. Like the Theory of Relativity, the splitting of the atom, and the first space flight, Dolly's appearance has generated a long list of difficult puzzles for scientists, politicians, and philosophers.
    就像相对论、原子裂变和第一次太空飞行一样，多莉的出现给科学家、政治家和哲学家们提出了一长串难以解答的难题。

3. They demand sacrifice and unselfishness, a long-term investment of the parents' time and money.
    他们需要我们做出自我牺牲和无私奉献，也就是父母对子女在金钱和时间上的长期投入。

4. It takes a long time as well as many experts working together to compile an encyclopedia.
    编一本百科全书，不仅要花一段长时间，还要有许多专家一起工作才行。

5. In textile areas it has long been customary for mothers to go out to work.
    在纺织工业区, 母亲外出工作早已司空见惯,

6. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
    不久，一架直升飞机飞到现场，来搭救失事飞机的幸存者。

7. Is Kate´s hair long or short?
    凯特的头发是长还是短？

8. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
    不久，一架直升飞机飞到现场，来搭救失事飞机的幸存者。

9. It has long leaves that sway in the wind like slim fingers reaching to touch something.
    它那修长的树叶在风中摇动, 好象伸出纤细的手指去触摸什么东西似的.

10. In the play, she must appear in a bright red dress and long black stockings.
    在这出戏里她得穿一件鲜红的长裙和长统的黑袜。