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medullary ray的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
a sheet of vascular tissue separating the vascular bundles
medullary ray的用法和样例：
例句
- Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.
髓部发达，髓射线明显。
