bundle sheath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。
- The spongy cell arranged densely.The vascular bundle sheat and the phloem were colored more red.
維管束的導管口徑變小,維管束鞘和韌皮部的細胞番紅染色加重。
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