?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

coalface

英 / ˈkəʊlfeɪs /
美 / ˈkoʊlfeɪs /
n. [矿业] 采煤工作面;(正在开采的)煤层截面

1. Many of the best ideas come from doctors at the coalface.
许多最好的主意都来自临床医师。
2. The structure is compact, and the water pump covers small area. It accord with the need of the coalface.
该喷雾泵结构紧凑,占地面积小,符合采煤工作面的要求。
3. These conclusions are confirmed by 1203 coalface in which water bursting occur but sand bursting not when mining.
顶板基岩很薄的1203工作面开采出现突水而未溃沙证实了这些结论。
4. The structure of the water pump is compact, and the water pump covers small area. It accord with the need of the coalface.
该喷雾泵结构紧凑,占地面积小,符合采煤工作面的要求。
5. Visitors can dress up in jumpsuits and hard hats and descend in a creaking elevator to the coalface 300 metres below the surface.
参观人员穿上工作服和安全帽,乘坐吱嘎直响的升降梯下降到地面300米以下的产煤面。