Hat Band: Medium to narrow, in a color similar to the color of the hat.

帽腰带：中等偏窄，颜色与帽色类似。

youdao

The numbers of benzidine positive staining cells were increased after incubation in the HAT selective medium.

联苯胺阳性细胞数在HAT选择性培液筛选后数量增加。

youdao

He is described as white, of medium to heavy build, wearing dark clothing with a black hat or hood and a sleeveless, yellow high-visibility jacket.

BBC: Colin Hall

Detectives said they believed the suspect was white, of medium to heavy build, and was wearing dark clothing with a black hat or hood and a sleeveless, yellow high-visibility jacket.

BBC: Colin Hall