longitudinally
longitudinally — 副詞
1. Describing a method of study where the same people are watched or tested repeate
縱貫地
長期追蹤同一群體的研究方式
Describing a method of study where the same people are watched or tested repeatedly over many months or years to see how they change.
The research team followed the same group of children longitudinally for twelve years.
研究團隊縱貫地追蹤同一組兒童，長達十二年。
adverb modifying 'followed' — typical research context
Scientists studied the patients longitudinally, checking their health at five-year intervals.
科學家縱貫地研究這些病人，每五年檢查一次他們的健康狀況。
Kofi's development was tracked longitudinally from the age of three until he began university.
Kofi 的發展從三歲起被縱貫追蹤，直到他進入大學。
The university studied its graduates longitudinally to measure how their careers progressed.
該大學縱貫地研究其畢業生，以衡量他們的職業發展。
- over time
less formal, not specific to research methodology
- repeatedly
does not imply a long period — only that something happens more than once
- prospectively
more technical; refers specifically to forward-looking study design
- cross-sectionally
describes studying different subjects at one point in time rather than the same subjects over time
文法句型
modifies verb phrase describing research methodology
modifies a clause describing repeated observation
用法筆記
Common in academic writing, especially in psychology, medicine, and social sciences. The noun phrase 'longitudinal study' is more frequent than the adverb in everyday use.
常見錯誤
2. In the direction that runs from the head end to the foot end of a living body, o
沿體軸
沿身體或器官的長軸方向
In the direction that runs from the head end to the foot end of a living body, or along the longer dimension of a body part.
The surgeon cut the muscle longitudinally to avoid damaging the surrounding tissue.
外科醫師沿體軸切開肌肉，以避免損傷周圍組織。
modifying 'cut' — surgical/anatomical context
Nadia's spine was measured longitudinally from her neck down to her lower back.
Nadia 的脊椎從頸部到腰部被沿體軸測量。
Doctors examined the artery longitudinally and found a blockage along its full length.
醫生沿體軸檢查動脈，發現其整個長度都有阻塞。
The bone was split longitudinally so that the students could study its inner structure.
那根骨頭被沿體軸剖開，好讓學生觀察其內部結構。
- lengthwise
less formal; used in everyday contexts rather than medical writing
- from head to tail
descriptive phrase; less technical, used mainly for animals
- transversely
describes cutting or measuring across the short dimension
- cross-sectionally
describes examining across the width rather than along the length
文法句型
modifies a verb describing cutting, measuring, or examining a body part
用法筆記
Often paired with verbs of cutting ('cut', 'slice', 'split') or examining ('examine', 'scan', 'measure'). Contrasts with 'transversely' or 'cross-sectionally', which refer to cutting across the short dimension.
常見錯誤
3. In a way that follows the greatest measurement of an object, going along its mai
沿長邊
沿物體最長邊的方向
In a way that follows the greatest measurement of an object, going along its main length rather than across its width.
Hamza sliced the cucumber longitudinally into four thin strips for the salad.
Hamza 把小黃瓜沿長邊切成四條薄片，用來做沙拉。
modifying 'sliced' — everyday kitchen context
The carpenter cut the wooden board longitudinally right down the middle.
木匠沿長邊把木板從正中央鋸開。
The garden path runs longitudinally from the front gate to the back of the house.
花園小徑沿長邊從大門一直延伸到房子後面。
Mira arranged the tiles longitudinally along the longest wall of the bathroom.
Mira 把磁磚沿長邊鋪在浴室最長的那面牆上。
- lengthwise
more common in everyday English; less formal
- from end to end
descriptive phrase; works for both objects and spaces
文法句型
modifies a verb describing cutting, positioning, or arranging an object
用法筆記
More general than sense 2 (ALONG THE BODY), which is specific to anatomy. This sense applies to any physical object. In everyday speech, 'lengthwise' is far more common.
常見錯誤
4. Measured, positioned, or expressed in terms of the east-west coordinate lines on
依經度
與地理經度相關
Measured, positioned, or expressed in terms of the east-west coordinate lines on a map or globe, rather than the north-south lines of latitude.
The country stretches longitudinally for nearly two thousand kilometres from east to west.
該國依經度從東到西綿延將近兩千公里。
modifying 'stretches' — geographic measurement
The two islands are separated longitudinally by about three degrees of longitude.
這兩座島嶼依經度相差約三度。
Scientists measured the earthquake's position both longitudinally and by latitude.
科學家依經度和緯度兩個方向測量了地震的位置。
The desert extends longitudinally along the same line of longitude for hundreds of kilometres.
該沙漠沿同一條經度線依經度方向延伸數百公里。
- by longitude
equivalent meaning; 'by' prepositional phrase is less formal
- in terms of longitude
explanatory; more verbose but clear for learners
- latitudinally
refers to the north-south coordinate system rather than east-west
文法句型
modifies a verb describing measurement, position, or extent on the globe
用法筆記
Almost always used together with terms for latitude when describing location. The paired phrase 'longitudinally and latitudinally' is common in geographic writing.