天暗

The sky darkened, clouds overhead turning steel gray.

天暗下来, 云层变成蓝灰色.

Afterward it was dark outside and I could see the beams of the search-lights moving in the sky.

饭后外边天暗了，我望得见探照灯的光条在天空晃动着。

Gradually the dark days," the dragon" has gradually downhill.

天渐渐暗了，“那龙”也渐渐下山。

The sky darkened abruptly

天突然暗了下来。

It was dark when Charles Darnay left him, and it was an hour later and darker when Lucie came home;

查尔斯-达尔内离去时已是黄昏。一个小时以后天更暗了，露西才回到家里。

I guess rain is good for making the world look clean and pretty, even if you can't tell when the sky is overcast like it has been all week.

我觉得下雨是不错啦，世界看起来会干净美丽一点，只是你不知道何时会像过去几个星期一样，老是昏天暗地。

The sky darkened; soon snow was falling in a discouraging abundance.

天暗了下来，不一会儿，漫天大雪纷纷飘落，真烦人。

Methods All Sprague-Dawley rats were maintained under cyclic light environment for 7 days, the rats were kept in darkness for 36 hours before experiment. The rats were killed after 3,6,9,12,15 and 18 hours continuous intense white light exposure.

方法所有SD大鼠经循环光环境适应7天，实验前暗适应36小时，分别于光照3、6、9、12、15、18小时，灌流固定，摘除眼球。

It is too dark to see.

天太暗，不能看见。

I watched as his golden eyes grew perceptibly darker day by day.

我注意到他金色的双眸明显地一天比一天暗了。

A gust of wind and the sky darkened.

一阵风过去,天暗起来,灰尘全飞到半空.

Look, it was dark, they were a long way off.

你看，天很暗，它们离得又远。

Before injection and on the 2nd, 4th, 7th, and 10th day after injection the scotopic b-waves of the ERG were measured.

分别在注射前及注射后第2、第4、第7、第10天对暗适应ERG B波进行检查。

I know this sounds weird, but I was so interested in my friends, I didn't even notice the sky had gotten darker-not much, just enough.

我知道这听起来很古怪，但是我当时与朋友聊得太投入了，没有注意到天变暗了——暗得不是太明显，只是足以让人察觉。

It will be growing dark before I reach home.

在我回到家以前，天或许快要暗了。

The sky was very dark, Little Daisy chatted with Earth Queen, she felt more and more tired, so she let Earth Queen go early, she wanted to go to bed.

天很暗，小雏菊和地球天后聊着，她觉得越来越累，所以她让地球天后先回去了，她说自己想休息了。

The nights were too dark for the ladies to meet again till the morrow, but Captain Harville had promised them a visit in the evening;

夜晚天太暗，夫人小姐们不便再相聚，只好等到明日，不过哈维尔上校答应过，晚上来看望大家。

It was too dark to read our map and we took a wrong turning.

天太暗，我们无法看地图，因此我们拐错了弯。

It was so dark that we could see nothing.

天太暗了，我们什么也看不见。

One day, the sky suddenly darkened, and then came wind, thunder and rain.

有一天，天空突然暗了下来，又是刮风，又是打雷，又是下雨。

B: Yes, it's getting dark.

是啊，天儿越来越暗了。

All mice were raised in cyclic light environment for 10 days and then kept in darkness for 16 hours before experiment.

所有小鼠在12小时明和12小时暗的循环光环境饲养10天，充分暗适应16小时后，建立小鼠低氧预适应模型和光损伤模型。

I know this sounds weird, but I was so interested in my friends, I didn't even notice the sky had gotten darker-not much, just enough.

我知道这听起来很古怪，但是我当时与朋友聊得太投入了，没有注意到天变暗了&暗得不是太明显，只是足以让人察觉。

One day, the sky suddenly darkened, and then came wind, thunder and rain. The real dragon flew to Ye Gong's home.

有一天，天空突然暗了下来，又是刮风，又是打雷，又是下雨，真龙飞到了叶公的家里。

It was getting dark but we decided to push on a little further.

天渐渐暗了下来，但是我们决定继续再往前走一点。

The rats in each group were given an intermittent light exposure for 7 days, 12 hours light exposure every day and 12 hours dark-adaptation before every exposure.

各组大鼠在12h明12h暗环境中饲养7天，然后暗适应36h。

A.it's very dark and cold. it's going to snow.

天很暗而且非常冷，要下雪了。

Dark treatment of all 24 h for 12 days could effectively improve the frequency of plants production during the process of young embryo culture.

胚培养过程中12天左右的24h暗处理能有效提高成苗率。

As it was dark, he stubbed his toe against the table leg.

由于天暗看不见, 他的脚趾碰到了桌子脚.

The sky turned dark suddenly, before long, fat drops of rain followed.

天突然暗了下来，不久就下起了瓢泼大雨。