fog horn

基本解释

He's got a voice like a fog-horn .
他嗓音像雾号，又粗又响。
Mostly he would not speak when spoken to, only look up sudden and fierce and blow through his nose like a fog-horn;
大多数时候，别人和他说话他都不予理睬，只是猛然抬头瞪人一眼，像吹雾角似的哼一下鼻子。
3g.en8848.com.cn
The 300m-long vessel sounded its horn three times as it left its shipyard in Dalian, in north-east Liaoning province, amid thick fog, according to the state news agency.
伴随着浓雾，300米长的航母感觉要有它还在东北辽宁的大连造船厂时的三倍那么长。国家新闻部门说道。

A foghorn is a piece of equipment that makes a loud noise and is used to warn ships about the position of land and other ships in fog.