dǐng
顶
gǎng
岗
dǐnggǎng
ㄉㄧㄥˇㄍㄤˇ
頂崗
顶岗 dǐnggǎng (1) [work on regular post]∶ 担当起本职工作 (2) [take over other's shift while he is absent]∶替别人当班工作
顶班