bast ray

• 韧皮射线

bast ray的用法和样例：

例句

1. The adventitious buds can be developed in the crossed area of both cork cambium and phloem ray inside the root.
   宿根上的不定芽发生于韧皮射线与木栓形成层交叉的区域。
2. Only a small quantity of phloem fibers were distributed in the secondary phloem, and the phloem ray was unconspicuous.
   次生韧皮中分布有少量韧皮纤维，韧皮射线不明显。