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汉语拼音：jié bā

某些植物（竹、苇等）茎杆节上的突起部分；树干上枝杈去掉后长成的疤瘤。

1. 竹子和树木的主干砍去枝节后留下的疤痕。如：这根木棍节疤多，很刺手。

2. 喻指事情遇到阻难。

   沙汀 《还乡记》二一：“‘今天碰到节疤了！’ 冯大生 喃喃说。”

• During the day, I'd perch on a knobby redwood buff and toss pieces of bark into a bucket.

  白天，我坐在多节的红杉树的节疤上，把一块块树皮丢进桶里。

• The most common reasons for decreasing quality grade were rot and knots.

  质量等级降低最通常的原意就是腐烂和节疤。

• 2 white pine - lightweight, strong, cheap, knots, moderate twist.

  美国五针松——重量轻，质地坚固，价格低廉，有树节疤，轻度扭曲。

• for example, the siding is a knotty western red cedar, which was stained rather than painted so that the knots and grain showed through.

  外墙使用的是多节的西部红雪松，只刷了清漆没有着色，因此木头上的节疤和纹路都清晰可见。

• He dashed his head against the knotted trunk;

  他把头朝着那多节疤的树干撞；

• Standard Practice for Sampling Forest Trees for Determination of Clear Wood Properties

  无节疤木材性能测定用林材树取样的标准规范

• Poor quality poor material dulcimer, panel, black bars, knots back there;

  劣质扬琴用料差，面板有黑筋，背板有节疤；

• Methods of testing small clear specimens of timber

  无节疤小木材样品的试验方法