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- There's a huge, gunky brown cloud that lingers over south Asia and the Indian Ocean each winter. 每年冬天有一個巨大烏黑的雲團持續徘徊在南亞和印度洋。
- The 「Asian brown cloud」 is a toxic mix of ash, acids and airborne particles from car and factory emissions, as well as low-tech polluters like wood-burning stoves. 「亞洲褐雲」是一種有毒的混合灰分，從汽車和工廠排放工業酸和騰空顆粒，以及低技術污染者像燃燒木材的爐灶。
- When the wind reached the mountain-top he could see something happen, a flicker of blue stuff against brown clouds. 風吹到山頂時他看到了什麼東西在動彈，背襯著烏雲有一樣藍色的東西在搖曳。
- Health problems associated with the brown clouds include cardiovascular and respiratory diseases. 與棕色煙雲有關的健康問題包括心血管和呼吸疾病。
- A cloud is a mass of vapor in the sky. 雲是天空中的水汽團。
- But brown clouds, whose environmental and economic impacts are beginning to be unraveled by scientists, are complicating and in some cases aggravating their effects. 不過在眾多科學家陸續闡明褐雲所帶來的環璄與經濟衝擊之際，彰顯出人類對其嚴重的衝擊效應還有很大的檢討和防治空間。
- The scientists said the brown clouds are having a negative impact on air quality and agricultural production in Asia with risks to human health increasing. 科學家說在亞洲棕色煙雲對空氣質量和農業生產具有負面影響，帶來人類健康風險增長。
- A cloud is a condensation of water vapour. 雲是由水蒸汽凝縮而成的。
- The brown clouds have darkened 13 cities in Asia, including Beijing, Shanghai, Bangkok, Cairo, Mumbai, New Delhi and Tehran, "dimming" sunlight in some places by as much as 25 per cent. 棕色雲罩已經籠罩了亞洲13個城市，包括北京、上海、曼谷、開羅、孟買、新德里和德黑蘭，一些地方陽光「變暗」了差不多25%25。
- There are several kinds of cloud formations. 雲層的構成方式有好幾種。
- Brown clouds of pollution over South Asia have multiplied solar heating of the lower atmosphere by 50 percent, finds new research by scientists at Scripps Institution of Oceanography. 美國斯克雷普斯海洋研究所最新發現，南亞上空積聚的褐雲已招致大氣下層的太陽熱能提高50%25。
- The couple seemed to be on cloud nine. 那對夫婦看上去極其幸福。
- The sun disappeared behind a cloud. 太陽消失在一片雲後面。
- Mr. Robert Brown was announced as the sponsor. 羅勃特·布朗先生被宣布為贊助人。
- The wind dispersed the cloud from the sky. 風吹散了天上的雲。
- He was on cloud nine after winning the competition. 他在比賽獲勝後欣喜若狂。
- Do you know why Mr Brown has a heavy heart? 你知道為什麼布朗先生心情不愉快嗎？
- The banks of dark cloud promised rain. 天上片片烏雲，就要下雨了。
- The girl was dressed in brown from top to toe. 那女孩從頭到腳穿著一身棕色的衣服。
- Mrs Brown is known as a social climber. 布朗太太是有名的趨炎附勢的人。
