intersection
intersection — 名詞
1. the point or place where two lines, paths, or surfaces meet and cross each other
交叉點
兩條線交叉的位置或點
the point or place where two lines, paths, or surfaces meet and cross each other
The two diagonal lines on the page meet at a single point called their intersection.
頁面上兩條對角線交會於一點，稱為它們的交叉點。
prepositional phrase: at the intersection
Quan drew two crossing lines and marked the intersection with a small dot.
Quan 畫了兩條交叉的線，並用一個小點標記交叉點。
On the map, the railway track intersection was marked with a tiny cross.
在地圖上，鐵路軌道的交叉處用一個小小的十字記號標示。
Layla calculated the intersection point of the two curves for her geometry homework.
Layla 為了幾何作業計算了那兩條曲線的交叉點。
- crossing
more general; can refer to any place where things cross, including roads or lines
- junction
more common for roads; less natural for geometric lines
- meeting point
describes the same concept but is less technical
2. any point along a street where another road crosses it, usually managed by traff
十字路口
道路交會的地方
any point along a street where another road crosses it, usually managed by traffic lights or road signs
Turn left at the next intersection, and the library will be on your right.
在下一個十字路口左轉，圖書館就會在你的右手邊。
direction-giving context: turn left/right at the intersection
There was a long traffic jam at the intersection of Main Street and Park Avenue.
Main Street 和 Park Avenue 的十字路口發生了嚴重的交通阻塞。
Vikram waited at the busy intersection for the green light before crossing the road.
Vikram 在那個繁忙的十字路口等綠燈亮了才過馬路。
A small café on the corner of the intersection sells coffee to morning commuters.
十字路口轉角的一間小咖啡館早上賣咖啡給通勤的人。
The city installed new pedestrian crossings at every major intersection near the school.
市政府在學校附近每個主要路口都安裝了新的行人穿越道。
- junction
broader term; can refer to any point where roads meet, including motorway exits
- crossroads
specifically where two roads cross at right angles; more common in British English
- crossing
can refer to a pedestrian crossing or a place where roads cross
用法筆記
In everyday conversation, 'intersection' typically refers to a road junction where traffic may flow in different directions. For smaller, uncontrolled road junctions, 'crossroads' is also common in British English.
常見錯誤
3. a situation in which two separate things come together and cross one another
交會
兩物交叉或交會的過程
a situation in which two separate things come together and cross one another
The intersection of the two rivers creates a wide area of calm, slow-moving water.
那兩條河流的交會處形成了一大片平靜緩慢的水域。
pattern: intersection of [noun] and [noun] for physical meeting
Scientists studied the intersection of ocean currents near the coast of New Zealand.
科學家研究了紐西蘭海岸附近洋流的交會情況。
The intersection of the two hiking trails was a popular rest spot for walkers.
那兩條登山步道的交會點是健行者喜愛的休息處。
Hikers stopped at the intersection of the creek and the trail to refill their bottles.
健行者在溪流與步道的交會處停下來補充水壺裡的水。
- convergence
suggests things moving towards each other and meeting; more technical
- meeting
simpler and more general; less precise than 'intersection'
- crossing
similar meaning but often implies one thing passing over another
- divergence
the process of moving apart or separating
用法筆記
This sense often appears in figurative or descriptive contexts, describing where two natural or abstract things meet (e.g., rivers, currents, disciplines). It is less common than sense 1 or 2.
4. in mathematics, the set of all elements that belong to each of several given set
交集
兩集合共有元素組成的集合
in mathematics, the set of all elements that belong to each of several given sets
Ms. Chen asked the class to find the intersection of students in choir and band.
陳老師請全班找出同時參加合唱團和樂團的學生的交集。
classroom context: common members of two groups
Zola drew a Venn diagram and shaded the intersection of the three overlapping circles.
Zola 畫了一個文氏圖，並塗黑了三個重疊圓圈的交集區域。
The intersection of their pets was empty because Mei owns cats and Leo owns dogs.
他們的寵物的交集是空的，因為 Mei 養貓而 Leo 養狗。
Adina calculated the probability of the intersection of two independent events in her statistics class.
Adina 在統計課上計算了兩個獨立事件的交集機率。
用法筆記
In mathematics, the intersection of two sets is written as A ∩ B. The symbol ∩ is read as 'intersect' or 'cap'. This sense is used mainly in set theory, probability, and logic.