伦敦是全世界最大的城市之一。

London is one of the largest cities in the world.

London is among the largest cities in the world.

London is among the world's largest cities.

Source: Tatoeba

Sentence Composition

1 伦敦 Lúndūn London, capital of United Kingdom
=2 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=2 是 shì variant of 是 shì
3 全世界 quánshìjiè
  1. worldwide
  2. entire world
4 最大 zuìdà largest; biggest; greatest; maximum; maximal
=5 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂兒的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=5 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=5 的 dí really and truly
=5 的 dì (bound form) bull's-eye; target
6 城市 chéngshì city; town

classifier: 座
7 之一 zhīyī
  1. one of (sth)
  2. one out of a multitude
  3. one (third, quarter, percent etc)