1
- with obj. burn the surface of (something) with flame or heat烧灼; 炙烤：
surrounding houses were scorched by heat from the blast.
周围的房子受到爆炸的热浪炙烤。
1.1
- no obj. become burnt when exposed to heat or a flame烧焦; 烫坏：
the meat had scorched.
肉烧焦了。
1.2
- often as adj. scorched(of the heat of the sun) cause (vegetation or a place) to become dried out and lifeless（太阳）烤焦（植被或地方）：
a desolate, scorched landscape.
荒凉、枯焦的地貌。
2
- no obj., with adverbial of direction informal (of a person or vehicle) move very fast〈非正式〉（人, 车辆）飞快移动, 疾驰：
a sports car scorching along the expressway.
沿高速路飞驰的赛车。
mass noun
1- the burning or charring of the surface of something（物体表面的）烧焦, 烤焦; 焦痕：
as modifier a scorch mark.焦痕。
1.1
- Botany a form of plant necrosis, typically of fungal origin, marked by browning of leaf margins【植】灼伤; 枯萎。
词源
Middle English (as a verb)：perhaps related to Old Norse skorpna 'be shrivelled'.