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medullary ray的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
a sheet of vascular tissue separating the vascular bundles
medullary ray的用法和樣例：
例句
- Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.
髓部發達，髓射線明顯。
