We have been keeping in touch with each other by correspondence ever since she left China.

Once, while working at a succession of railroad jobs, he tried studying law by correspondence.

有一次, 在他做着一系列的铁路工作期间, 他尝试着通过函授学过法律.

Most of her friendships were therefore carried out by correspondence.

因此她与大多数朋友的友情都靠通信维系.

It was already clear that not much progress would be made by correspondence.

已经可以看得很清楚,单凭通讯,不会使事情有多大进展.

By courtesy of the mourner, he endeavours to devour the nourishing odour.

承蒙哀悼者同意, 他努力吞食滋养气味.

By courtesy of the Master and Fellows , Pembroke College, Cambridge, Eng.

斯宾塞, 油画;现藏英国剑桥的 潘布鲁克 学院.

He used the computer by courtesy of his teacher.

他的老师允许他用计算机。

This photo was reproduced by courtesy of the General Electric Company.

这张照片是承蒙通用电气公司许可而翻印的。

These pictures are reproduced by courtesy of the General Electric Company.

这些照片是得到通用电气公司的许可而翻印的.

This program comes by courtesy of a local company.

本节目承蒙当地一家公司的赞助才得以安排。

The costumes of the play were supplied by courtesy of Black Brothers.

该剧演出的服装是布莱克兄弟公司免费提供的.

By courtesy of the Victoria and Albert Museum, London ; photograph EB Inc.

1770年左右的罗尔斯特兰德彩陶盘, 现藏伦敦维多利亚和艾伯特博物馆.

By courtesy of the Scottish National Portrait Gallery , Edinburgh, Scot.

弗格森, 肖像画;现藏爱丁堡苏格兰国立肖像画陈列馆.

This programme comes by courtesy of ( ie is sponsored or paid for by ) a local company.

本节目由本地的一家公司提供 ( 赞助或出资 ).

This is a radio programme presented by courtesy of a soap company.

这是一档由一家肥皂公司提供的广播节目。

Mr. Windaus used the photograph by courtesy of the publisher.

温道斯先生经过出版社的许可而使用照片.

As millions will have seen, by courtesy of the slow motion re-runs, the referee made a mistake.

慢动作重放后，数百万人都可以看到裁判错判了。

These photos were reproduced by courtesy of the General Electric Company.

这些相片是征得“通用电气公司”的许可而翻印的.

Day by day the structure heightened.

建筑物逐日增高.

It is getting warmer day by day.

天气一天比一天暖和了.

The patient's condition is improving day by day.

病情逐日好转.