standby-coal

基本解释

• 備煤

同根派生

英汉例句

• We need to replenish our stocks of coal.
  我們需要再次補充煤的儲備。
• She piled on more coal before the fire go out.
  在火熄滅之前她又加上些煤。
• I add the coal on the flame continuously.
  我不斷朝火裡添加煤炭。
• They are ventilating the sap of a coal mine.
  他們正在使煤鑛坑道通風。
• Prohibition was laid on the export of coal.
  禁止煤炭輸出。