您要查找的是不是：
- Dense Upper Cloud 浓高空云
- The red and white upper clouds are particles of frozen ammonia. 最上面的是红白色的、由冻结的氨粒构成的云。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- He thinks of new york as a den of iniquity. 他认为纽约是个藏污纳垢之处。
- Upper cloud appears to be moving slower buy is actually Faster than lower cloud 高层的云看似移动得慢,实际上比低层云快
- He has made his house a den of thieves. 他把自己的家变成了一个贼窝。
- The liner ran down a fishing-boat during the dense fog. 班轮在浓雾中撞沉了一只渔船。
- The bears den up together during the winter. 冬天熊一起在洞穴里冬眠。
- There was a dense cloud of cigar smoke in the room. 房间里笼罩着浓密的雪茄烟雾。
- He thought of New York as a den of iniquity. 他认为纽约是个藏污纳垢之处。
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- Traffic was interrupted by a dense fog. 交通因浓雾而受阻。
- The bar in the slum is a den of iniquity. 这个贫民窟里的小酒吧是一个充满罪恶的场所。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- I'd like a room on the upper level. 我想要楼上的房间。
- There are several kinds of cloud formations. 云层的构成方式有好几种。
- The couple seemed to be on cloud nine. 那对夫妇看上去极其幸福。
- They hewed their way through the dense jungle. 他们在浓密的丛林里开辟出一条路来。
- The sun disappeared behind a cloud. 太阳消失在一片云后面。
- The police tracked the thieves to their den. 警察跟踪小偷，直到他们的老窝。
