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- The causes of forming "black materials" in the production of chlorobenzene were analyzed,and preventive measures were made. 對氯苯生產中出現"黑料"的原因進行了分析,制定了防範措施。
- Two black material alone carved jade pick up more lifelike birds, jumping around between the branches, a symbol of auspiciousness more! 兩隻黑色料獨玉摘雕出來的小鳥更顯栩栩如生，在枝頭間跳來跳去，更顯喜慶吉祥！
- On a bright winter's day spread a sheet of any black material across a snowdrift. 在明朗的冬天,往雪堆上播散一片黑色的物質。
- To prevent this, drape a piece of black material in front of the aquarium and cut a small hole large enough for the lens. 為了預防，您可以在魚缸前面蓋一塊黑布然後剪一個剛好夠大的小孔把鏡頭伸進去。
- The black material is considered as carbon deposition,which is formed by oily-liquid medium fission product(mainly carbon black) covering inside crack during the discharge process of pulse current. 認為這些黑色覆蓋物為脈衝電流在放電過程中,油性液體介質裂變產物(主要為碳黑)塗覆在裂紋內部形成的積碳。
- The black material was, however, consistent with an embalming mix of wood resins, bitumen and chemicals such as malachite.It was also consistent with gypsum, which gives the mix its plaster smell. 黑色的物質包括樹脂，瀝青，孔雀石等等成分，他們混合發出石膏味。
- He was in black from crew to earing. 他全身上下都穿著黑衣服。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手槍，向那頭黑熊射擊。
- Many people were taken off by the Black Plague. 許多人被黑死病奪去了生命。
- The man is carrying a small black plastic handbag. 這個人提著一個黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的買賣已不復存。
- The black sedan suddenly drew out into the traffic. 黑色轎車突然開動，駛進了車流。
- I have a snag in my best black tights. 我最好的一條黑褲襪給劃破了。
- He fell down the stairs and was all black and blue. 他從樓梯跌下而青一塊紫一塊了。
- Black and white show a striking contrast. 黑和白形成明顯的對比。
- She buy a black nightie to wear on her honeymoon. 她買了一件黑色睡衣準備在蜜月時穿。
- Jim staked all his money on the black horse. 吉姆把所有的錢都押在那匹黑馬上了。
- During the war we had to black out all our windows. 戰時我們必須用黑布遮著窗口以免透光。
- My brother is the black sheep of the family. 我弟弟是我們家的害群之馬。
- The lorry skidded on a stretch of black ice. 貨車在薄冰路面上打滑。
