1. How long is it since the electronic computer came into use?
    电子计算机开始应用到现在已有多久了？

2. He has been a long confinement to bed.
    他困卧在床已久。

3. How long will the connection of the telephone take?
    安装电话机与总机接通要多长时间?

4. He has had the length of the wings increased so that they now measure 93 feet-almost as long as those of a Dakota.
    他把机翼的长度增加到九十三英尺，几乎与 Dakota 飞机的机翼差不多长。

5. He was known to us all as Dickie and his eccentricity had become legendary long before he died.
    我们都叫他迪基，他的怪僻性格在他死前很久就成为传奇性的了。

6. His long illness emaciated him.
    久病使他消瘦了。

7. His long illness emaciated him.
    久病使他消瘦了。

8. Her eyelash is very long.
    她的眼睫毛好长.

9. How long is the River Nile?
    尼罗河有多长?

10. He is suffering from nerves.
    他患神经过敏的病。