Elongation is the noun for becoming longer, or for making something longer than it was. A rubber band has elongation when you pull it; a shadow has elongation late in the day; a plant stem has elongation when it grows.

Elongationelongation is是 the noun for becoming longer指「變長」這件事的名詞 or for making something longer than it was或指把某樣東西拉得比原本長 A rubber band橡皮筋 has elongation就有elongation when you pull it當你拉它的時候 a shadow影子 has elongation也有elongation late in the day在傍晚時分 a plant stem植物的莖 has elongation也有elongation when it grows當它生長的時候

Scientists and doctors like the word because it names the change itself — how much longer, and the stretching that got you there — not just the new size. In everyday talk people more often say stretching, lengthening, or getting longer; elongation sounds a little technical, as if it belongs in a lab, a clinic, or an engineering report.

Scientists and doctors科學家和醫生 like the word喜歡用這個詞 because it names the change itself因為它講的是變化這件事本身 how much longer變長了多少 and the stretching that got you there以及讓它變長的那個拉伸過程 not just the new size而不只是新的尺寸 In everyday talk在日常對話裡 people more often say人們更常說 stretching, lengthening, or getting longerstretching、lengthening，或getting longer elongation soundselongation聽起來 a little technical有點專業 as if it belongs in a lab, a clinic, or an engineering report好像是實驗室、診所或工程報告裡才會出現的詞

Though actually, it is not a fancy extra meaning: it is still just 'the going-longer'. People sometimes stretch it to any kind of drawing-out, even time, but careful speakers keep it for physical length.

Though actually不過事實上 it is not a fancy extra meaning它並不是有什麼特別厲害的額外意思 it is still just 'the going-longer'它仍然就只是「變長這件事」 People sometimes stretch it有些人有時候會把它延伸 to any kind of drawing-out用到任何形式的「拉長」 even time甚至是時間 but careful speakers keep it不過講究的人還是只用它 for physical length指實際的長度

(Astronomy uses it in a different, specialist way: how far a planet appears from the Sun in the sky. That is not the sense a learner meets first.) The verb is elongate; elongation is the name of the process or the result.

Astronomy天文學 uses it in a different, specialist way用它來指一種不同的、專業的意思 how far a planet appears from the Sun in the sky指一顆行星在天空中看起來離太陽有多遠 That is not the sense a learner meets first這不是學習者一開始會遇到的意思 The verb is elongate動詞是elongate elongation而elongation is the name of the process or the result則是這個過程或結果的名稱