记忆方法
1、thread 是"拧出来的东西"（写作"纺线、编线"，来自 PIE*tere「弯、转」）：线是把纤维拧成的，所以 th- 起头、里带 read。
2、同一条"转、拧"的根还生出 throw(甩转)、turn(和它们同出一根)；凡是细长的线状物都能叫 thread：缝衣线、螺纹、路线、线索、论坛里的一串回帖、程序线程。
3、拼写易错：thread 中间是 e-读作 /e/，开头 th 是咬舌 /θ/ 不是 /t/；别和 threat(威胁)混，threat 多一个 a。变化用规则式 threaded。
2、同一条"转、拧"的根还生出 throw(甩转)、turn(和它们同出一根)；凡是细长的线状物都能叫 thread：缝衣线、螺纹、路线、线索、论坛里的一串回帖、程序线程。
3、拼写易错：thread 中间是 e-读作 /e/，开头 th 是咬舌 /θ/ 不是 /t/；别和 threat(威胁)混，threat 多一个 a。变化用规则式 threaded。
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词族 · thread
中文词源
thread 线，线索，脉络
来自古英语 thraed,线，绳索，来自 Proto-Germanic*threduz,纺线，编线，来自 PIE*tere,弯， 转，编织，词源同 turn,throw.引申词义线索，脉络等。
英语词源
- thread
-
thread: [OE] A thread is etymologically something ‘twisted’. The word comes from a prehistoric Germanic *thrǣthuz, which was derived from the base *thrǣ- ‘twist’ (source also of English throw). Other descendants of *thrǣthuz include Dutch draad, Swedish tråd, and Danish traad ‘thread’ and German draht ‘wire’.
=> throw - thread (n.)
- Old English þræd "fine cord, especially when twisted" (related to þrawan "to twist"), from Proto-Germanic *thredu- "twisted yarn" (cognates: Old Saxon thrad, Old Frisian thred, Middle Dutch draet, Dutch draad, Old High German drat, German Draht, Old Norse þraðr), literally "twisted," from suffixed form of PIE root *tere- (1) "to rub, rub by turning, turn" (see throw (v.)). Meaning "spiral ridge of a screw" is from 1670s. Threads, slang for "clothes" is 1926, American English.
The silk line, as spun by the worm, is about the 5000th part of an inch thick; but a spider's line is perhaps six times finer, or only the 30,000th part of an inch in diameter, insomuch, that a single pound of this attenuated substance might be sufficient to encompass our globe. [John Leslie, "Elements of Natural Philosophy," Edinburgh, 1823]
- thread (v.)
- "to put thread through a needle," mid-14c., from thread (n.); in reference to film cameras from 1913. The dancing move called thread the needle is attested from 1844. Related: Threaded; threading.
权威例句
- 1. A thin, glistening thread of moisture ran along the rough concrete sill.
- 在粗糙不平的水泥窗台上有一条细细的发光水印。
- 2. She idly pulled at a loose thread on her skirt.
- 她无聊地扯着裙子上一根松掉的线头。
- 3. A ratchet mechanism transfers the thread from spool to bobbin.
- 一种棘齿装置把线从线轴转到梭心上。
- 4. I sit down, thread a needle, snip off an old button.
- 我坐下来，穿好针，剪下一枚旧纽扣。
- 5. Wipe the mushrooms clean and thread them on a string.
- 把这些蘑菇擦干净，然后用线穿起来。
词语辨析
【rope, wire, thread, string, line, cord】
这组词都有“线”的意思，其区别是：
rope: 指用于捆绑大物件的粗壮而坚固的绳子，一般用绵、毛、麻、金属或其它材料制成。
wire: 专指用金属制成的线。
thread: 普通用词，指用棉、毛、丝或纤维等纹成的很细的线，通常用于缝纫、纺织等。
string: 普通用词，指捆绑小件物品的细绳或细带子。
line: 普通用词，含义广泛，指任何一种线，常作引申用。
cord: 指比string粗，比rope细，较牢固，通常用于捆扎较小物品的线或绳。用作引申当约束讲。
这组词都有“线”的意思，其区别是：
rope: 指用于捆绑大物件的粗壮而坚固的绳子，一般用绵、毛、麻、金属或其它材料制成。
wire: 专指用金属制成的线。
thread: 普通用词，指用棉、毛、丝或纤维等纹成的很细的线，通常用于缝纫、纺织等。
string: 普通用词，指捆绑小件物品的细绳或细带子。
line: 普通用词，含义广泛，指任何一种线，常作引申用。
cord: 指比string粗，比rope细，较牢固，通常用于捆扎较小物品的线或绳。用作引申当约束讲。