The cottage was dignified by the forrest.

森林使茅舍增辉。

Ladies and gentlemen should always act with great dignity.

太太先生们的举止应该总是十分端庄体面的。

Gas dilates the balloon.

气体使汽球膨胀。

I am in a dilemma whether to do mathematics or English.

我左右为难，不知是做数学还是写英语。

He is diligent in his studies.

他学习勤奋。

The nurse diluted the drug with saline water.

护士用生理盐水把药加以稀释。

The light is too dim for me to read.

光线太暗 , 我无法看书。

There is another dimension you haven't mentioned.

这个问题还有一个方面你没提到。

Illness has seriously diminished his strength.

疾病使他的体力严重衰退。

The sounds were still dinning in his ears.

那些声音仍然在他耳边响着。

We're going to dine at Dick's tonight.

我们今晚要去迪克家吃饭。

The sun dipped below the horizon.

太阳落到地平线下。

The secretary has a diploma in linguistics.

秘书有语言学的文凭。

A diplomat must always be prepared for an emergency.

外交官要时刻准备应付突发事件。

Julia joined the diplomatic service after graduation.

朱丽娅毕业后就到外交部门工作了。

He was sent to Washington on a diplomatic mission.

他被派往华盛顿，负有外交使命。

The two countries terminated diplomatic relations.

该两国终止外交关系。

I can find his telephone number in the telephone directory.

我可以从电话号码簿里找到他的电话号码。

He was disabled by polio.

小儿麻痹症使他成残废。

The police disarmed the criminals.

洪水是一种灾害。