multiplication
multiplication — 名詞
- multiplicationsingular
- multiplicationsplural
1. A maths method for finding the total by adding a number repeatedly — for instanc
乘法
將相同數字相加特定次數的算術運算
A maths method for finding the total by adding a number repeatedly — for instance, 3 multiplied by 4 is the same as adding 3 four times, which gives 12.
The students practised multiplication tables every morning until they could recite them from memory.
學生們每天早上練習乘法表，直到能背誦為止。
collocation: multiplication tables
Eliska used multiplication to work out the total cost of five cinema tickets priced at fourteen dollars each.
Eliska 用乘法算出五張電影票每張十四美元的總價。
real-world application: unit price times quantity
During the maths quiz, Mr. Quan asked the class a simple multiplication: what is seven multiplied by eight?
在數學小考中，Quan 老師問全班一個簡單的乘法題：七乘以八是多少？
Learning multiplication let Hyun find the total of four pencil boxes at thirty dollars each.
學會乘法後，Hyun 就能算出四盒鉛筆每盒三十元的總價。
real-world application: money and quantity
On the final exam, Brooke solved 235 multiplied by 47 without a calculator.
在期末考中，Brooke 不用計算機就解出了 235 乘以 47 的乘法題。
specific calculation: [number] multiplied by [number]
- multiplication table
- multiplication sign
- multiplication problem
- mental multiplication
- simple multiplication
- basic multiplication
- division
the inverse operation that undoes multiplication.
文法句型
multiplication + of + number + and + number
do/solve + [adjective] + multiplication
用法筆記
The noun is uncountable when it names the operation as a subject or concept, but countable when it refers to a particular calculation or problem.
常見錯誤
2. The process of something growing quickly in number, amount, or scale — often use
倍增
數量或規模大幅且快速的增長
The process of something growing quickly in number, amount, or scale — often used when the increase spreads widely or affects many places at the same time.
The rapid multiplication of mosquitoes after floods led to a health warning across the region.
洪水過後蚊蟲迅速倍增，當局向該地區發布了健康警報。
pattern: rapid multiplication of [sth]
Defne studied the multiplication of bacteria in warm milk under a microscope.
Defne 用顯微鏡觀察溫暖牛奶中細菌的快速繁殖。
scientific context: multiplication of bacteria
In two years, the multiplication of new coffee shops in the neighbourhood surprised older residents.
兩年之內，社區裡咖啡店數量倍增，讓老居民們大為驚訝。
abstract increase: multiplication of shops
Maeve worried about the multiplication of stray cats near the train station last winter.
去年冬天，Maeve 很擔心火車站附近流浪貓數量快速增加的問題。
Across their rice fields, farmers faced problems from the multiplication of invasive weeds.
在稻田裡，農民們面臨外來雜草大量繁殖所帶來的問題。
collocation: multiplication of invasive weeds
- rapid multiplication
- massive multiplication
- steady multiplication
- multiplication of cases
- multiplication of jobs
- proliferation
more formal; emphasises the rapid spread of many individual items.
- expansion
focuses on growth in size or scope rather than pure number.
- growth
more neutral; does not imply speed or dramatic scale.
文法句型
[adjective] + multiplication + of + noun phrase
multiplication + in + noun phrase
用法筆記
Common in formal, scientific, and journalistic writing. The increase it describes is typically large-scale or rapid — it sounds unnatural for small, slow growth.
常見錯誤
同根字
- multiply動詞B1
- multiple形容詞B1
- multiple名詞B2
- multiplier名詞C1
- multiplicative形容詞C2
- multiplying名詞B2