charcoal的第三人称单数怎么写？

charcoal的现在进行时为：charcoaling...

n.木炭，炭画笔，木炭画vt.用木炭画，炭烤...

charcoal的现在完成时为：charcoaled...

They broiled turkey over a charcoal flame.他们在木炭上烤火鸡.The water was filtered through charcoal.这水是用木炭过滤过的.Charcoal is used to filter water.木炭是用来过滤水的....

charcoal的复数形式为：charcoals...

charcoal的一般过去时为：charcoaled...

Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。That morning we fired our first kiln of charcoal.那天上午，我们烧了我们的第一窑木炭。Chu...

charcoal的音标：charcoal的英式发音音标为：['tʃɑ:kəʊl]charcoal的美式发音音标为：['tʃɑrkoʊl]...