n. 木炭【化】 木炭【医】 炭, 木炭

coal/coat/coast/goal/charcoal/carbon
记忆：
1. coal [ kEul ] n. 煤 n. 加煤 More and more families burn gas instead of coal.越来越多的家庭用天然气取代了煤。
2. coat [ kEut]　n. 外套 The new coat makes the boy handsome.新外衣使男孩看起来很英俊。
3. coast [ kEust ]　n. 海岸 There are hundreds of small islands off the coast. 沿岸有几百座小岛。
4. goal [ ^Eul]　n. 目标, 守门员, 球门, (球赛等的)得分 He shot at the goal but missed. 他射门，但未射中。
5. charcoal [ 5tFB:kEul]　n. 木炭 In the countryside, some people still use charcoal to keep warm. 在乡下，一些人仍用木炭取暖。
6. carbon [ 5kB:bEn ]　n. 碳 Carbon is a basic element in organic compound. 碳是有机物的基本元素。
另类阅读：
Our goal is to ship along the coast coal, which is made up mainly of carbon, and give it to the people with few coats and little charcoal.