be in leaf
US /biː ɪn liːf/
UK /biː ɪn liːf/

成語
1.
長出葉子, 有葉子
to have leaves, especially after a period of not having them (like in winter)
範例:
•
The trees will soon be in leaf again.
樹木很快就會再次長出葉子。
•
By spring, all the bushes should be in leaf.
到春天,所有的灌木都應該長出葉子。
在 Lingoland 學習這個單詞