underwing

/uhn-der-wing/US // ˈʌn dərˌwɪŋ //UK // (ˈʌndəˌwɪŋ) //

底翼,下翼,机翼下方,翼下型

Definitions

n.名词 noun

1
- : one of the hind wings of an insect.
- : any of several noctuid moths of the genus Catocala, characterized by red-, yellow-, or orange-banded hind wings.

In short, the spoiler in the rear and the underwing in the front work together to keep the car’s rubber on the road.
The underwing is a curved component underneath the front end that’s designed to accelerate the air that flows under the car, creating a low-pressure area that pulls that part of the car downwards.
Underwing, un′dėr-wing, n. a moth with conspicuous underwings, esp.
The bases of the primaries are bright chestnut, and the whole underwing is of that color; bill black; eye and feet reddish.
The first thing I ever got from her was a lovely look, the first time ever I set eyes on her she came with an underwing moth.