“sucker”的概念、定义、翻译、参考文献-科学参考

sucker

Science and Technology

1. A small, freshwater fish (family Catostomidae) that has a protrusible mouth with which it sucks up food from a riverbed. There are 14 genera with about 78 species, most found in North America but one also in Russia and one only in China.
2. An underground plant shoot that arises from the lower stem or root of a woody plant and that forms a new plant, at first nourished by the parent but later independent.
3. An organ with which an animal anchors itself to a substrate.
4. A circular, cup-like, muscular appendage on the tentacle of a cephalopod (cuttlefish, octopus, or squid) with which the animal grasps solid surfaces, catches prey, or moves across a surface.
Mike Allaby

Biology

A shoot that arises from an underground root or stem and grows at the expense of the parent plant. Suckers can be dug up with a portion of root attached and used to propagate a plant. If, however, a plant is grafted onto a different rootstock, as many roses are, any suckers will be of the wild rootstock, rather than the ornamental scion, and must be removed.

单词	sucker
释义	sucker Science and Technology 1. A small, freshwater fish (family Catostomidae) that has a protrusible mouth with which it sucks up food from a riverbed. There are 14 genera with about 78 species, most found in North America but one also in Russia and one only in China. 2. An underground plant shoot that arises from the lower stem or root of a woody plant and that forms a new plant, at first nourished by the parent but later independent. 3. An organ with which an animal anchors itself to a substrate. 4. A circular, cup-like, muscular appendage on the tentacle of a cephalopod (cuttlefish, octopus, or squid) with which the animal grasps solid surfaces, catches prey, or moves across a surface. Mike Allaby Biology A shoot that arises from an underground root or stem and grows at the expense of the parent plant. Suckers can be dug up with a portion of root attached and used to propagate a plant. If, however, a plant is grafted onto a different rootstock, as many roses are, any suckers will be of the wild rootstock, rather than the ornamental scion, and must be removed.
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