You are absolutely correct. The leaves are from a baytree.
你的看法完全正确。这些是月桂树的叶子。
《柯林斯英汉双解大词典》
2
I have seen the wicked in great power, and spreading himself like a green baytree.
我见过恶人大有势力，好像一根青翠树在本土生发。
3
Wrap each prawn into pancetta slices and set them onto the skewers (made of wood or even better of the same thin branches of baytree) adding a bay leaf in between for the taste.