His speech is dreary.

他的讲演枯燥乏味。

I was drenched by the rain.

我在雨中淋得湿透。

The wind is drifting the snow.

风正把雪吹积成堆。

The soldiers drill every morning.

士兵每天早上操练。

I need a drill to make a hole.

我需一钻头钻眼。

The drought has lasted 2 months.

旱情持续了两个月了。

The little girl fell into the lake and drowned.

小女孩掉进湖里淹死了。

What a drowsy summer afternoon.

这是个令人昏昏欲睡的夏日午后。

The training airplane has dual controls.

教练飞机有两套控制系统。

The sound effect will be dubbed in later.

音响效果以后会附加上去。

I feel dubious of its accuracy.

我对于它的正确性感到怀疑。

He is due to speak this evening.

他被排定今晚讲话。

Her illness was due to bad food.

她的病是由于吃了变质的食物造成的。

I am dull of hearing.

我听觉不灵敏。

The book was so dull that I didn't finish it.

这本书太枯燥了，我没有读完。

It is dull today.

今天天气阴沉。

I shall duly pay you back.

我将如期还你钱。

She was struck dumb at the news.

那消息使她惊讶得说不出话来。

Deaf people and dumb people are disabled.

聋人和哑人都是残疾人。

They dumped their old car in the dump.

他们把旧汽车扔到垃圾堆里。

He duplicated his former mistakes.

他又犯了和以前一样的错误。

The shoes are very durable.

这双鞋很耐穿。

Let's go Dutch.

我们各自付帐吧。

She dwells too much on her past.

她过于详细地叙述她的过去。

The population is dwindling.

人口在逐渐减少。

A dynamic government is necessary to meet the demands of a changing society.

一个有活力的政府必须适应社会的改变。

The train has been dynamited.

火车被炸毁了。

He was a mandarin of the Qin dynasty.

他是秦朝的官吏。