multiply
【乘、繁殖、大量增加】
multiply 是一个动词和副词,主要表示“乘、繁殖、大量增加”等含义。
1. 动词 (verb)
🔹 multiply [ˈmʌltɪplaɪ] — 乘、成倍增加、繁殖
① 乘法运算(数学用法)
- 表示数学上的“乘,以某个数增加若干倍”。
- 例如:
- 4 multiplied by 3 equals 12.
(4 乘以 3 等于 12。) - If you multiply 5 by 2, you get 10.
(如果你把 5 乘以 2,就得到 10。)
- 4 multiplied by 3 equals 12.
- 例如:
② 大量增加,迅速增长
- 指数量或程度上迅速增加,类似于“激增”或“成倍增长”。
- 例如:
- The problems began to multiply as the project progressed.
(随着项目的推进,问题开始迅速增加。) - The number of online users has multiplied in recent years.
(近年来,在线用户数量激增。)
- The problems began to multiply as the project progressed.
- 例如:
③ 繁殖、生殖
- 指生物体繁殖、增殖,通常用于动物、细菌或植物。
- 例如:
- Bacteria multiply quickly in warm environments.
(细菌在温暖的环境中迅速繁殖。) - Rabbits multiply rapidly if not controlled.
(如果不加控制,兔子会快速繁殖。)
- Bacteria multiply quickly in warm environments.
- 例如:
2. 副词 (adverb)
🔹 multiply [ˈmʌltɪplaɪ] — 多方面地、成倍地
(这个用法比较少见,但可用于强调某种状态的多重性或多样性。)
- 例如:
- The effects of climate change are multiply harmful.
(气候变化的影响在多方面都是有害的。)
- The effects of climate change are multiply harmful.
3. 常见短语
- multiply by:乘以
- You need to multiply 6 by 7.
(你需要用 6 乘以 7。)
- You need to multiply 6 by 7.
- multiply rapidly:快速增加 / 迅速繁殖
- Insects multiply rapidly in summer.
(昆虫在夏天迅速繁殖。)
- Insects multiply rapidly in summer.
- multiply the risk:增加风险
- Smoking multiplies the risk of lung disease.
(吸烟会增加患肺病的风险。)
- Smoking multiplies the risk of lung disease.
4. 近义词对比
词汇 | 含义 & 用法 | 例句 |
---|---|---|
increase | 增加(泛指数量或程度的提升) | Prices have increased over the years.(价格这些年一直在上涨。) |
expand | 扩大、扩展(指范围或体积的增大) | The company is planning to expand overseas.(公司计划向海外扩展。) |
grow | 生长、增长(多用于自然发展) | His business has grown a lot this year.(他的生意今年增长了很多。) |
reproduce | 繁殖、再生产 | Some species reproduce asexually.(一些物种是无性繁殖的。) |
5. 总结
- multiply (动词)
① 数学:乘法运算(e.g., 5 multiplied by 2 is 10.)
② 增长:数量或程度迅速增加(e.g., Problems began to multiply.)
③ 繁殖:生物增殖(e.g., Bacteria multiply quickly.) - multiply (副词,少见):多方面地、成倍地(e.g., Multiply harmful effects.)