词典释义：
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But the new grasses created an add-on, rings of specialist cells known as bundles.
但通过进化它们拥有了另一重结构，这一圈圈具有特殊功能的细胞，学名维管束。
《How To Grow A Planet》《植物之歌》
双语例句
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He gathered the bundles of clothing into his arms.
他把一捆捆衣物抱起来。
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Bundles of candles were procured, and straightway there was a general scamper up the hill.
一捆捆的蜡烛都拿了出来，大家立刻奔上山去。
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They resembled lofty, ambulant, insectile bundles of reeds.
它们就像一束束高大的、移动的、带虫的芦苇。
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Bundles - Groups of promises.
包—承诺组。
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Web Platform Installer bundles.
Web平台安装程序包。