1. The idea that the sun goes round the earth has long discredit.
    太阳围绕地球的说法已不为人们相信.

2. The strike is due to begin on Tuesday. No one knows how long it will last. The
    罢工定于星期二开始.谁也不知道罢工会延续多久。

3. The patient´s cheerful smile was just a facade; actually, she was suffering from ennui.
    那病人愉快的微笑只是表面上的；事实上她倦怠的很。

4. The two tribes were long at feud with each other.
    这两个部族长期不和。

5. They have planned the itinerary for a long time.
    他们已经计划旅行路线好长时间了。

6. The road is 5 kilometer long.
    这条马路5公里长.

7. The road is ten kilometre long.
    这条公路十公里长.

8. The kingdom of Norway has a long and rugged coastline.
    挪威王国有着长而崎岖的海岸线。

9. The elephant´s nose is very long.
    大象的鼻子很长.

10. There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface.
    长久以来, 海员们有一种迷信, 那就是海豚会把很快要淹死的人推到水面使之获救,