Not having enough photographic density or contrast to make satisfactory prints.

An apparatus for measuring the optical density of a material, such as a photographic negative.

测量在非常小的密度内变化的一种特殊的显像密度计.

He was lost in admiration of the beauty of the scene.

他对风景之美赞不绝口.

At the same time, theflexible graphite flow field plate gas penetrability, component and body resistance.

同时测量了柔性石墨流场板的透气量 、 各种成分的含量、体电阻等基础数据.

Limpid transparent Asian gram force lens. The light penetrability is better, is brighter.

清澈透明的亚克力镜片. 光的透光度更好, 更亮.

Foam . A polymer that has been made porous ( or spongelike ) by the incorporation of gas bubbles.

通过加入气泡制成多孔的 ( 像海绵一样的 ) 高分子.

That's a positive feeling . Now I added only to my thriftiness but also independence and endurance.

通过这事, 我不仅长了点经济头脑,也变得更加独立,更具忍耐力了.

Taoism has always advocated thriftiness and plain life.

道教历来倡导节俭、朴素的生活.

The noise would drive anyone scatty.

那噪音简直能把人逼疯.

Your scatty son has forgotten his key again.

你那儿子丢叁落四又把钥匙给忘了.

We gazed at rough sea lost in thought.

我们凝视波涛汹涌的大海,陷入沉思.

Lost in thought, I stepped into the ready room and stopped.

在想法中失去, 我进入准备好的房间之内踏并且停止.

And noticing when your mind is adrift, lost in thought.

注意你的精神什么时候飞走了, 迷失在思绪里.

He was lost in thought , staring at the boundless night sky.

夜晚,他望着浩茫的星空出神.

He looked up at the azure and was lost in thought.

他抬头看着蓝天,沉思起来.

I was so lost in thought that I almost forgot myself.

我沉思太深了,以致几乎忘我.

Lost in thought, he was nearly knocked down by a speeding car.

陷入沉思, 他差点被一辆超速的车撞倒.

My sister sat silent for some time, lost in thought.

我姐姐沉默地坐了一会儿, 陷入沉思.

He frowned at the difficult question and got lost in thought.

这道难题使他双眉紧锁,陷入深深的思考.

Dick was staring out of the window, lost in thought.

迪克盯着窗外, 陷入了沉思.

She heaved a sigh and became lost in thought.

她叹了一口气,随即陷入沉思.