Clouds of steam rise from vents in the crater floor

摄影技巧评论：  

Cloud : [klaud] n. 云,忧色,云状的烟v. 以云遮敝,笼罩
例句与用法:
1. The thick mist clouded the mountain-top.
　 浓雾笼罩着山顶。
2. When there are black clouds you can tell it's going to rain.
　 有乌云的时候，就知道快下雨了。
3. The sad news of her father's death was the only cloud on an otherwise happy year.
　 她父亲的死讯是她愉快的一年中唯一伤心的事。
词形变化:形容词:cloudless 动词过去式:clouded 过去分词:clouded 现在分词:clouding 第三人称单数:clouds

steam : [sti:m] n. 蒸气,精力adj. 蒸气的v. 蒸发
例句与用法:
1. There was a puff of steam from the engine before it stopped.
　 机车喷出一股蒸气後就停了下来.
2. Steam has fogged the bathroom mirror.
　 水蒸气把浴室里的镜子遮住了。
3. The car windows steamed up.
　 汽车窗户上有一层水汽。
4. He steamed the stamp off the envelope.
　 他用蒸汽把信封上的邮票揭下来。
词形变化:动词过去式:steamed 过去分词:steamed 现在分词:steaming 第三人称单数:steams

rise : [raiz] n. 上升,增加,小山v. 升起,起身,上升,(日、月、星)升起
例句与用法:
1. She rose above her difficulties and became a tremendous success.
　 她战胜了重重困难，取得了巨大的成功。
2. Christians believe that Jesus rose from the dead on Easter Sunday.
　 基督徒相信耶稣在那个星期日（後定为复活节）里复活了。
3. The sun rises in the east and sets in the west.
　 太阳从东方升起，在西方落下。
4. The sun rises in the east.
　 太阳从东方升起。
词形变化:动词过去式:rose 过去分词:risen 现在分词:rising 第三人称单数:rises

from : [frɔm, frəm, frm] prep. 从,从...起
例句与用法:
1. The dog roused a deer from the bushes.
　 狗惊起了丛林中的一只鹿。
2. He saved his daughter from the fire but at the cost of his own life.
　 他牺牲了生命，把女儿从大火中救出来。
3. Her arrest produced an immediate reaction from the press.
　 她被捕的事立刻在新闻界引起反应。
4. Tears distilled slowly from her eyes.
　 泪水从她的眼睛里慢慢地滴下来。

vent : [vent] n. 排气口v. 发泄
例句与用法:
1. When I get frustrated and angry, I have to vent my spleen on someone.
　 我受尽挫折，怒火冲天时，禁不住想找谁发一顿脾气。
2. He gave vent to his feelings in an impassioned speech.
　 在一篇充满激情的演说里吐露了心声。
3. There is a side vent on her skirt.
　 她的裙子上有一个侧边的开叉。
4. I look down on man who vents his anger on his family after having a bad day at work.
　 我瞧不起那些工作不顺心就拿家里人出气 的男人。
词形变化:名词:venter 动词过去式:vented 过去分词:vented 现在分词:venting 第三人称单数:vents

crater : ['kreitə] n. 弹坑,火山口
例句与用法:
1. A small crater.
　 小凹陷处
2. Lava boiled up from the crater of the volcano.
　 熔岩从火山口沸腾着升起来。
3. Flames blazed out from the crater of the volcano.
　 火焰从火山口猛烈地喷出来。
4. A large crater formed by volcanic explosion or by collapse of a volcanic cone.
　 火山口火山爆发而形成的环形山或大山核心部分的崩塌而形成的环形山
词形变化:动词过去式:cratered 过去分词:cratered 现在分词:cratering 第三人称单数:craters

floor : [flɔ:, flɔə] n. 地板,楼层,底部v. 铺地板,击倒
例句与用法:
1. He left his clothes lying all over the floor.
　 他把衣服扔得满地都是.
2. She held the floor for over an hour.
　 她发言占了一个多小时。
3. The floor is yours you may present your argument.
　 现在请您发言－－尽请发表意见。
4. We planned to floor our room with oak.
　 我们计划用橡木材料给房间铺地板。
词形变化:名词:floorer 动词过去式:floored 过去分词:floored 现在分词:flooring 第三人称单数:floors