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- Light pillars appear when artificial light (shown in diagram above) or natural light bounces off the facets of flat ice crystals wafting relatively close to the ground. 光柱出现是人工光源（图所示以上）或自然光由冰晶的小平面反射而飘到相对近的地面上。
- Though light pillars are often caused by artificial light, sun pillars, as in the above picture, occur when sunlight reflects off the facets of millions of flat ice crystals in very cold air. 虽然光柱往往是人工光源造成，如上述图片，当阳光在极冷的空气中从侧面通过数以百万计的单位冰晶反射便形成了太阳光柱。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
- He stumbled over a stump and fell flat on his face. 他给树桩一绊，摔了个嘴啃泥。
- The meltwater puddled the flat sea ice. 融化的冰水在平坦冰冻的海面上形成水坑。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- It is dangerous to walk on thin ice in a lake. 在湖中薄冰上行走是很危险的。
- Our present lease on the flat expires next month. 我们这套公寓的租约下月到期。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The flat will be refurbished for the new tenants. 这套房间将重新粉刷以接纳新房客。
- She is buying a flat close to her office. 她正在购买一套靠近她办公室的单元房。
- The compacted snow on the pavement turned to ice. 人行道上被踩实的雪已变成了冰。
- She lay flat on her back in the warm sunshine. 她在温暖的阳光下平躺著。
- The host tell a joke to his guest to break the ice. 主人为了打破僵局，给客人讲了个笑话。
- The lease on our flat runs out in a few months. 我们公寓的租约还有几个月就到期了。
- The lorry skidded on a stretch of black ice. 货车在薄冰路面上打滑。
- The lorry went into a spin on a patch of ice. 卡车在一片冰地上打滑了。
- The colours used are flat and unvaried. 使用的颜色既单调又无层次。
- The ship was nosing a way through the ice pack. 轮船小心地通过大块浮冰。
- Griddles are used for cooking flat cakes. 这个浅锅是用来烤蛋糕的。
