coals

英 [kəʊlz]

美 [koʊlz]

n.  煤; (尤指燃烧着的)煤块
coal的第三人称单数和复数

柯林斯词典

• N-UNCOUNT 煤
  Coalis a hard black substance that is extracted from the ground and burned as fuel.
  1. Gas-fired electricity is cheaper than coal...
     天然气发电比煤便宜。
  2. Today, oil and natural gas have replaced coal and wood in most areas.
     如今在大部分地区，燃油和天然气已经取代了煤炭和木头。
• N-PLURAL (燃烧着的)煤块
  Coalsare burning pieces of coal.
  1. The iron teakettle was hissing splendidly over live coals...
     煤火烧得正旺，上面的铁茶壶嘶嘶地响个不停。
  2. It is important to get the coals white-hot before you start cooking.
     很重要的一点是要把煤块烧到白热状再开始做饭。
• PHRASE 申斥;严厉责备
  If a person in authorityhaulsordragssomeoneover the coals, they speak to them severely about something foolish or wrong that they have done.
  1. I heard later that Uncle Jim had been hauled over the coals for not letting anyone know where we were...
     后来，我听说吉姆叔叔因为不告诉别人我们在哪儿而受到了严厉斥责。
  2. The museum's P.R. man was going to be dragged over the coals for sure.
     博物馆的公关人员肯定会受到斥责。
• PHRASE 多此一举;徒劳无功
  If someone istaking coals to Newcastle, they are trying to give or sell someone something that they already have a lot of.
  1. Taking a gun to the United States would be like taking coals to Newcastle.
     带把枪去美国简直是多此一举。

双语例句

• Using XPS analyses the organic sulfur of seven different Chinese coals and their semi-cokes from flash hydropyrolysis were studied.
  采用XPS技术分析了我国以烟煤为主的七种煤样以及对应的快速加氢热解半焦中有机硫的化学形态。
• The coals were glowing in the dark.
  煤在黑暗中发着红光。
• Study on the Influence of Mineral Matters on the Combustion Characteristics and Kinetics of Pulverized Coals
  矿物质对煤粉燃烧特性和反应动力学影响的研究
• The total import of beef roughly would equal your purchase of coals.
  我们进口的牛肉和你们进口的煤差不多是等额的。
• The burning coals started to flame yellow and orange.
  燃烧着的煤开始发出了黄色与橙色的火焰。
• Effects of Included Minerals in Pulverized Coals on the Pore Structure of Chars
  煤粉中内在矿物对煤焦孔隙结构的影响
• The workers are coking the coals at elevated temperatures.
  工人们在对这些煤进行高温结焦。
• The dynamic metamorphism of disturbed coals and the effect of radical density on coal gas outburst prediction are discussed.
  在实验基础上进一步探讨了构造煤的动力变质作用和自由基浓度在煤和瓦斯突出预测中的作用。
• Multi sampling bottles are applicable for simultaneous sampling on different coals.
  有多个样品瓶集样，适应多煤种同时采样。
• Advanced gasification technologies for oil sands coke and low rank coals to produce power and hydrogen;
  油砂焦炭和低煤级煤碳通过先进气化技术生产电能和氢；