holdfast中文什么意思

n.
1.紧缠，紧握。
2.钩子，钉子，夹钳。
3.【动物；动物学】吸附器官。
+更多解释...4.【植物；植物学】固着器。
短语和例子
lose one's holdfast 放松，控制不住。

• bench holdfast:    固定夹；台夹; 台夹；固定夹
• holdfast bay:    霍尔德法斯特湾
• holdfast coupling:    夹紧联轴器

例句与用法

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1. At this discouragement there seemed, even to her holdfast nature, no way out .
   在这阴暗失意的时刻，连她这样一个遇事死也不放手的人，也觉得走投无路了。
2. Haines laughed and , as he took his soft grey hat from the holdfast of the hammock , said
   他一面从吊床的钩子上摘下自己那顶灰色呢帽，一面说道：
3. Holdfast ( hapteron ) in algae , the cell or organ that attaches the plant to the substrate
   固着器：是藻类植物具有的一种起固着作用的细胞或器官。
4. Stipe 1 . in the more highly differentiated phaeophyta ( brown algae ) , such as wracks and kelps , the stalk between the holdfast and the blade
   柄：在高度分化的褐藻门植物如角藻、巨藻等海藻中，连结基足和叶状体之间的茎状物。
5. Cladophorales an order of chlorophyta ( green algae ) , generally called siphonaceous algae . they are multicellular saclike forms or branched filaments with branching rhizoidike holdfasts , e . g . cladophora
   刚毛藻目：绿藻门中的一目，称为虹吸管状的藻类。它们是多细胞囊泡状的或分枝的丝状体，用分枝状的假根固着。例如刚毛藻属。

英文释义

名词

1. restraint that attaches to something or holds something in place
   同义词：fastener, fastening, fixing