周一到周日怎么背英语（每日英语busyas）

周一到周日怎么背英语（每日英语busyas）I have been busy as a beaver working to complete my thesis prior to graduation.

busy as a beaver 忙的团团转，忙得不可开交

-to be intensely engaged in methodical and diligent work.

Although they are clearly enjoying themselves the children are as busy as beavers constructing their pretend fort.

Ahead of Christmas she worked like a beaver to clean out all the closets.

I have been busy as a beaver working to complete my thesis prior to graduation.