coal

• Coal is much calorific than green wood .
  煤产生的热量比湿木材多得多。
• It 's difficult to ascertain the coal deposits ...
  煤储量很难探明。
• They have put up the price of coal again .
  他们把煤的价钱又提高了。
• We ran out of coal , and had to burn wood .
  煤烧完了，只好烧木头。
• I hate to see someone raked over the coals .
  我讨厌见到别人挨骂。
• It 's more economical to use gas than coal ..
  烧煤气比烧煤上算。
• We have enough coal to see the winter out .
  我们有足够的煤过冬。
• We have received an order for two tons of coal .
  我们已收到两吨煤的定单。
• Coal itself is a heavy pollutant .
  煤本身就是一种严重的污染物。
• He contracted to supply me with coal regularly .
  他订约将煤按期供给我们。