a foghorn的意思|示意

Once this reaches a certain level, the detector automatically activates the foghorn.

一旦湿度达到了一定的数值，探雾器就会自动激活雾号。

Notwithstanding differences in appearance and construction, most American lighthouses Shared several features: a light, living quarters and sometimes a bell (or later, a foghorn).

虽然美国的灯塔在外观和结构上存在一些差异，但它们确有些共同之处，比如都有灯标、有住房、有时还有钟(后来改用雾角)。

It can also hear sound frequencies across a span of 17 octaves, spanning pitches far higher than the whine of a mosquito and far lower than a rumbling foghorn.

该设备还能收听跨越17个八度音阶的声频，其音调范围远高于蚊子的蜂鸣，而远低于低沉的雾角。

Notwithstanding differences in appearance and construction most American lighthouses Shared several features: a light living quarters and sometimes a bell or later a foghorn.

虽然美国的灯塔在外观和结构上存在一些差异，但它们确有些共同之处，比如都有灯标、有住房、有时还有钟后来改用雾角。

Moments later, he heard a low moaning rumble over the hills, a sound like a foghorn.

片刻之后，从山上传来了咆哮的声音，仿佛雾角一般低沉辽远。

I also enjoyed taking a look at the fog detector, responsible for starting the foghorn that had disturbed my peace the night before.

我还兴致勃勃地看了看探雾器，头天晚上让我不得安宁的雾号就是这个家伙弄出来的。