宇宙的年龄大约为137.5亿年。

The age of the universe is about 13.75 billion years.

The universe is about 13.75 milliard years old.

The universe is about 13.75 thousand million years old.

Source: Tatoeba

Sentence Composition

1 宇宙 yǔzhòu universe; cosmos; space
=2 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 跑堂儿的 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
=2 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=2 的 dí really and truly
=2 的 dì (bound form) bull's-eye; target
3 年龄 niánlíng (a person's) age

classifiers: 把, 個
4 大约 dàyuē
  1. approximately
  2. probably
=5 为 wéi
  1. as (in the capacity of)
  2. to take sth as
  3. to act as
  4. to serve as
  5. to behave as
  6. to become
  7. to be
  8. to do
  9. by (in the passive voice)
=5 为 wèi
  1. because of
  2. for
  3. to
=5 为 wéi variant of 为 wéi
=5 为 wèi variant of 为 wèi
=6 亿 yì 100 million
=6 亿 yǐ
  1. (music) Cantonese opera gongche notation for the note an octave below low ti (7̣̣).
  2. (music) Kunqu gongche notation for the note high ti (7̇).
  3. Cantonese opera gongche notation for the note an octave below low ti (7̣̣).
  4. Kunqu gongche notation for the note high ti (7̇).
=7 年 Nián surname Nian
=7 年 nián year

classifier: 個
=7 年 nián
  1. grain
  2. harvest (old)
  3. variant of 年 nián