词典释义：
a long, thin strand of cotton, nylon, or other fibres used in sewing or weaving
线。
[mass noun]cotton, nylon, or other fibres spun into long, thin strands and used for sewing
（纺成股的）线。
(
〈非正式，主北美〉 衣服。
a thing resembling a thread in length or thinness, in particular
线状物，线状体，尤指：
〈主诗／文〉 细细的一条（或一片）
-
the Thames was a thread of silver below them .泰晤士河在他们下方是一条银丝线。
[in sing.]something abstract or intangible, regarded as weak or fragile
一线，一丝
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keeping the tenuous thread of life attached to a dying body .保住垂危的体内残存的一口气。
a theme or characteristic, typically forming one of several, running throughout a situation or piece of writing
思绪，思路；贯穿的主线
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a common thread running through the scandals was the failure to conduct audits .贯穿这些丑闻的一条共同主线就是没有进行审计。
【计 算机】 （网上贴出的有共同主题的）话题，题材。
【计 算机】 线程，线索，穿线，调度单位。
(亦作
螺纹。
pass a thread through the eye of (a needle) or through the needle and guides of (a sewing machine)
穿（针、线等）。
[with obj. and adverbial of direction]pass (a long, thin object or piece of material) through something and into the required position for use
把（细长物品或材料）穿过
-
he threaded the rope through a pulley .他把绳子穿过滑轮。
[no obj., with adverbial of direction]move carefully or skilfully in and out of obstacles
穿过；穿行；绕行，蜿蜒
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she threaded her way through the tables .她在桌子间穿行。
interweave or intersperse as if with threads
使夹杂（线状物）
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his hair had become ill-kempt and threaded with grey .他的头发已变得散乱，夹杂着丝丝白发。
put (beads, chunks of food, or other small objects) together or singly on a thread, chain, or skewer, which runs through the centre of each one
以线贯穿；以线穿成
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Constance sat threading beads .康斯坦斯坐着穿珠子。
[usu. as adj.
刻螺纹于（孔、螺丝等）。
-
hang by a thread be in a highly precarious state 千钧一发，岌岌可危 -
lose the （或one's ）thread be unable to follow what someone is saying or remember what one is going to say next （说话时）失去头绪
"Old English
