dicotyledons
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美[]
- n. [植]双子叶植物（dicotyledon 的复数）
双语例句
- 1. All trees except palms are dicotyledons.
- 除了棕榈树，所有的树都是双子叶植物。
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- 2. The dicotyledons diverged at an early stage of their evolution into two main groups.
- 双子叶植物在演化的早期阶段就已分化为两大支派。
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- 3. Until now, 83 sucrose transporter genes have been cloned in 31 dicotyledons and 6 monocotyledons.
- 目前已从31种双子叶植物和6种单子叶植物中克隆到83个蔗糖转运蛋白基因。
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- 4. A typical foliage leaf of a plant belonging to the dicotyledons is composed of two principal parts: blade and petiole.
- 双子叶植物典型的营养叶由两个主要部分组成：叶片和叶柄。
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- 5. Monocotyledons and dicotyledons are so termed because they normally conatin one and two cotyledons respectively although there are exceptions.
- 尽管有例外的情况出现，我们通常还是根据子叶的数目为一片还是两片而把植物分成单子叶植物和双子叶植物。
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- 6. The host plants of this insect include 389 species (varieties) in 109 families, and are composed of ferns plants, gymnospermae, dicotyledons and monocot crops.
- 该虫寄主涉及到蕨类植物、裸子植物、双子叶植物、单子叶植物，共计109科389种(包括变种)。
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- 7. The host plants of this insect include 389 species (varieties) in 109 families, and are composed of ferns plants, gymnospermae, dicotyledons and monocot crops.
- 该虫寄主涉及到蕨类植物、裸子植物、双子叶植物、单子叶植物，共计109科389种(包括变种)。
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