复数：holdfasts
1.紧缠,紧握
2.钩子,钉子,夹钳
3.【动】吸附器官
4.【植】固着器
1.a device designed to hold something securely, e.g. a clamp or grip
2.an organ at the base of a seaweed, water plant, or fungus that attaches the organism to a surface
3.the action or fact of holding something fast or firmly
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