One way to picture treacle: the thick syrup left in the pan after sugar has been boiled. It is dark, it shines, and it pours far more slowly than water. It is very sweet — sweet enough that a little is lovely and a lot is too much. Hold both halves of that picture, the slow stickiness and the too-muchness of the sweetness, and the other uses of the word follow from it.
可以想成煮糖之後留在鍋底的那一層濃漿：深色、發亮，倒出來比水慢得多。它很甜，甜到一點點很好、多一點就膩。把這個畫面的兩半都記住——又黏又慢，以及甜得可以過量——這個字後面的用法大致都從這裡長出來。
From the word’s history
Wiktionary traces treacle back through Middle English triacle to Ancient Greek thēriakḗ, 'an antidote'. The medieval antidote was a sweet, thick paste taken by the spoon, and the word followed that texture into the sugar pan.
依 Wiktionary，treacle 一路上溯到古希臘文 thēriakḗ「解毒藥」。中世紀的解毒藥是又甜又稠、要用湯匙挖的膏狀物，這個字就跟著那個口感，最後落在煮糖剩下的濃漿上。
Wiktionary, "treacle"
登入就可以看每一支怎麼連回核心畫面。