petal bundle的用法和樣例:
例句
- The veins of leases are parallel, and the vascular bundles have bundle sheaths.
平行脈序,維管束具有維管束鞘。
- Moreover, the phenomenon that canaliculus bundle degenerate suddenly has been found in the experiment.
此外還觀察到維管束急劇退化現象。
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