书籍 Total English - 中级 - 第三单元 - 第二课

producing a continuous humming or vibrating sound, like the sound of bees

the melodious and usually cheerful sound made by birds

a device in a vehicle that produces a loud, distinctive sound to alert others of the vehicle's presence or to signal a warning or danger

the part of a vehicle that uses a particular fuel to make the vehicle move

a loud device typically used on emergency vehicles to alert others of their approach and to clear the way in traffic

(of a place or environment) full of activity, energy, and excitement, often with a lot of people moving around and engaged in various tasks or social interactions

with little or no noise

not causing or spreading pollution or contamination, especially radioactive contamination

containing harmful or dirty substances

boring or lacking interest, excitement, or liveliness

(of a place or atmosphere) full of excitement and energy

(particularly of a building or place) having a pleasant and charming appearance, often resembling a picture or painting

not pleasant to the mind or senses

(of a style in architecture, music, art, etc.) recently formed and different from traditional styles and forms

belonging to or following the methods or thoughts that are old as opposed to new or different ones

extremely large in physical dimensions

extremely small

(of a person or their manner) kind and nice toward other people

not hospitable or inviting, often creating a sense of discomfort or unease

intended for, visited by, or attractive to tourists, in a way that one does not like it

remaining fresh, pure, and unharmed, without any signs of decay or damage