n.山楂,山楂树
Much of the track had become overgrown with hawthorn.
小路上很多地方都长满了山楂树。
He hid the bicycle in the hawthorn hedge.
他把自行车藏在山楂树篱中。
Leaf-shoots were beginning to sprout on the hawthorn.
山楂树上开始长出叶芽。