be in leaf
US /biː ɪn liːf/
UK /biː ɪn liːf/
1.
长出叶子, 有叶子
to have leaves, especially after a period of not having them (like in winter)
:
•
The trees will soon be in leaf again.
树木很快就会再次长出叶子。
•
By spring, all the bushes should be in leaf.
到春天，所有的灌木都应该长出叶子。