I had to get used to the sounds of sirens, dogs, snowplows, and the general low-level hiss of traffic.

我不得不习惯警笛、家犬、除雪机的声音，还有一般而言轻微的车辆嘶嘶声。

youdao

That means understanding the low level aspects of it (solid knowledge of HTTP, and protocols and networking in general would help tremendously).

这意味着要理解底层的知识(熟知HTTP、协议和网络通常会有较大的帮助)。

youdao

I had to get used to the sounds of sirens, dogs, snowplows and the general low-level hiss of traffic, a contrast to the utter peace, stillness, silence, stars and dense sweet scent of the forest.

我不得不习惯警笛、家犬、除雪机的声音，还有一般而言轻微的车辆嘶嘶声。这一切与完全的和平、静止、宁静、星辰和森林浓浓的甜味形成了强烈的对比。

youdao

As he has taken matters at a general and low level of abstraction and he has only taken ideas and facts without any of the architecture, he has done nothing wrong.

BBC: ON THE BACKGROUND TO THE CASE

When the general level of yields is low, as it is in slow-growing Europe, there is less room to differentiate.

ECONOMIST: Buttonwood

These are often related to the insufficient allocation of funds, procedural hurdles, a lack of culture of information sharing among public servants, and the low level of awareness and demand for government-held information among the general public.

UNESCO: MEDIA SERVICES