1
- a long, thin strand of cotton, nylon, or other fibres used in sewing or weaving线。
1.1
- mass noun cotton, nylon, or other fibres spun into long, thin strands and used for sewing（纺成股的）线。
1.2
threads
informal, chiefly N. Amer. clothes〈非正式, 主北美〉衣服。
2
- a thing resembling a thread in length or thinness, in particular线状物, 线状体, 尤指：
2.1
- chiefly poetic/literary a long, thin line or piece of something〈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。
2.2
- in sing. something abstract or intangible, regarded as weak or fragile一线, 一丝：
keeping the tenuous thread of life attached to a dying body.
保住垂危的体内残存的一口气。
2.3
- 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：
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。
2.4
- Computing a group of linked messages posted on the Internet that share a common subject or theme【计算机】（网上贴出的有共同主题的）话题, 题材。
2.5
- Computing a programming structure or process formed by linking a number of separate elements or subroutines, especially each of the tasks executed concurrently in multithreading【计算机】线程, 线索, 穿线, 调度单位。
3
- （亦作screw thread）a helical ridge on the outside of a screw, bolt, etc. or on the inside of a cylindrical hole, to allow two parts to be screwed together螺纹。
with obj.
1
- pass a thread through the eye of (a needle) or through the needle and guides of (a sewing machine)穿（针、线等）。
1.1
- 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。
1.2
- no obj., with adverbial of direction move carefully or skilfully in and out of obstacles穿过; 穿行; 绕行, 蜿蜒：
she threaded her way through the tables.
她在桌子间穿行。
1.3
- interweave or intersperse as if with threads使夹杂（线状物）：
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。
1.4
- 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：
Constance sat threading beads.
康斯坦斯坐着穿珠子。
2
- usu. as adj. threaded cut a screw thread in or on (a hole, screw, or other object)刻螺纹于（孔、螺丝等）。
短语
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。
派生词
thread-like
adjective词源
Old English thrǣd (noun)， of Germanic origin; related to Dutch draad and German Draht, also to the verb THROW. The verb dates from late Middle English.