scour/'skaʊəʳ/

vt

1. 彻底搜索，查找

• The policemen were scouring the whole house for clues. 警察彻底地搜查整座房子，以求找到线索。

2. 擦亮，擦去(锈或污点等)

• The tub needs scouring (out). 浴缸需要擦洗了。

3. 冲刷，冲刷成(洞)

• The water had scoured (out) a hole in the rock. 水已经把巨石冲刷出一个洞来。