?
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。

boilers
CET4

n. [动力]锅炉(boiler 的复数)

1. Most boilers have a lifespan of 15 to 20 years.
大部分锅炉的使用期限是15到20年。
2. The company started out as a maker of nonpressurized boilers.
这家公司最初是制造无压力锅炉的。
3. His senior vice-president, Juliet Jiang, says, "He made his fortune on boilers."
他的高级副总裁 Juliet Jiang 说:“他靠锅炉发家致富。”
4. Each ship was coal-powered by several boilers constantly kept running by exhausted crews below deck.
每艘船都是由几台烧煤的锅炉提供动力,而甲板下的船员不辞辛苦地维持这些锅炉的运行。
5. For the first time industrial waste, such as ash from the soap-boilers, was collected in the cities and sold in the country as artificial fertilizer.
工业废料,如煮皂炉里的灰,第一次开始在城市里被收集,作为人工肥料在农村出售。