holdfast
音標['h?uldfɑ:st] 讀音漢語翻譯
n. 可夾緊之用物, 緊握
【機】 制動器
英文解釋：
名詞 holdfast:
- restraint that attaches to something or holds something in place同義詞：fastener, fastening, fixing
詳細解釋：
hold.fast
n.（名詞）Any of various devices used to fasten something securely.緊握之物：用來緊緊扣住東西使其安全的裝置Biology An organ or a structure of attachment, especially the basal, rootlike formation by which certain seaweeds or other algae are attached to a substrate.【生物學】 吸盤：吸附的器官或結構，尤指一些海藻或其他藻類植物吸附在上面的基部的類根結構
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