dy

['di:'wai]

n. 元素镝(dysprosium)的符号
abbr. 配送（=delivery）
abbr. 职责（=duty）

例句与用法：

Didn't you notice? He has dyed his hair.

你没注意? 他染头发了。

The wounded soldier's blood dyed the ground red.

受伤士兵的血染红了地面。