1. He has had several long periods of work abroad.
    他在国外长期工作过几次.

2. How long has she been pregnant?
    她怀孕多久了?

3. He is in hospital, suffering from a punctured lung.
    他因肺部穿孔而住院治疗.

4. Her selection of a hat took a long time.
    她挑选一顶帽子花了很长时间。

5. He sighed a long sigh.
    他发出了一声长叹。

6. He walked in long ungainly strides.
    他迈著笨拙的大步子行走.

7. He vented his anger on his long-suffering wife.
    他拿一贯受气的妻子出气.

8. He was known to us all as Dickie and his eccentricity had become legendary long before he died.
    大家都管他叫迪基。早在他去世前很久，他的古怪行为就成了传奇故事了。

9. Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths.
    长期以来，历史学家一直对雕刻在墙壁上、骨头上、古代长毛象的象牙上的点、线和形形色色的符号感到困惑不解。

10. He had had a long and uncomfortable trip, for he had been confined to the wooden box for over eighteen hours.
    他经历了一次漫长而又难受的旅程，因为他在那木箱里闷了18个多小时。