The squirrel stashes away nuts for winter.

松胡桃以备过冬。

He has been storing up food for the winter.

他一直在储过冬食品。

Wild ducks fly in a V-shape when they are going south for the winter.

野鸭排成V字形飞到南方去过冬。

They laid in hay for the winter.

他们备干草以备过冬。

He returned somewhat despondently to his river again—his faithful, steady-going old river, which never packed up, flitted, or went into winter quarters.

河灰溜溜地回到了河边。那他忠实的重的老河，它从不收拾行装，从不开溜；也从不搬到别的住宅去过冬。

A few -- such as the Blackcap -- have started to adapt by spending winters in Britain, but such behaviour remains exceptional, the study said.

研究称，数鸟类如黑顶莺等已经开始适应在英国过冬，但这种情况还数。