double duty

ˌdouble ˈduty noun

do double duty USE somethingto do more than one job or be useful for more than one thing at the same time 做两份工作；有双重作用，可以两用

do double duty as

The sofa does double duty as a guest bed.

这张沙发还可以在有客人时当床用。

Examples from the Corpus

do double duty• Choose a sofa that will do double duty as a guest bed.

Examples from the Corpus

double duty• The demonstrator will be doing double duty.• But many food plants are beautiful in their own right and fit for double duty in the pleasure garden.• Aseptic boxes of fruit juices or plastic containers of prepared beverages can be frozen to serve double duty in the cooler.

词汇	double duty
释义	double duty ˌdouble ˈduty noun do double duty USE somethingto do more than one job or be useful for more than one thing at the same time 做两份工作；有双重作用，可以两用 do double duty as The sofa does double duty as a guest bed. 这张沙发还可以在有客人时当床用。 Examples from the Corpus do double duty• Choose a sofa that will do double duty as a guest bed. Examples from the Corpus double duty• The demonstrator will be doing double duty.• But many food plants are beautiful in their own right and fit for double duty in the pleasure garden.• Aseptic boxes of fruit juices or plastic containers of prepared beverages can be frozen to serve double duty in the cooler.
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