prolific

Compared meaning: able to produce a lot (adjective).

比较义项：多产、能大量产出（形容词）。

• productive

  Describes a person, worker, or land producing a large amount of output efficiently; common in contexts of work and daily effort, not typically used for soil fertility or reproduction.

  多用于描述人、工作者或土地能够高效产出大量成果，常见于工作和日常努力的语境，通常不用于形容土壤肥力或生物繁殖。

  I feel more productive when I start work early.

  我早点开始工作时，感觉自己更有生产力。

• fertile

  Describes soil, land, or living things with a natural capacity to produce abundant crops or offspring; about inherent ability, not effort or industry.

  多用于描述土壤、土地或生物天生具备产出大量作物或后代的能力，强调与生俱来的能力，而非努力或产业活动。

  The farmer planted crops in the fertile soil near the river.

  那位农民在河边肥沃的土壤里种植作物。

• prolific 本词

  Emphasizes striking abundance of output, especially creative works or offspring, from a person, artist, or animal; often carries a tone of admiration.

  强调某人、艺术家或动物产出（尤指作品或后代）数量惊人，常带有赞叹的语气。

  He is a prolific writer who publishes several new books every year.

  他是一位多产的作家，每年出版好几本新书。

All three mean able to produce a lot, but differ in focus. Fertile is a natural ability, for soil and living things. Productive means efficient output at work. Prolific means striking abundance, in creative works or offspring. Not compared: productive's effective sense, fertile's imaginative sense.

这三个词都可以表示“能产出大量东西”，但侧重点不同：fertile强调与生俱来的产出或繁殖能力，多用于土壤和生物；productive强调实际的高效产出，多用于工作和产业；prolific强调产出数量惊人，多用于作品或后代，语气更强烈。这里不比较productive表示“富有成效的”（如productive meeting）以及fertile表示“想象力丰富的”（如fertile imagination）等引申义。