平行四邊形是由兩組平行線組成的四邊形。

A parallelogram is a quadrilateral formed from two sets of parallel lines.

Source: Tatoeba

Sentence Composition

1 平行四邊形 píngxíngsìbiānxíng parallelogram
=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 由 yóu
  1. to follow
  2. from
  3. because of; due to
  4. by; via; through
  5. (before a noun and a verb) it is for ... to ...
=4 兩 liǎng
  1. two
  2. both
  3. some
  4. a few
  5. tael, unit of weight equal to 50 grams (modern) or 1⁄16 of a catty 斤 jīn (old)
=4 兩 liàng Original form of 輛／辆 (liàng).
=5 組 Zǔ surname Zu
=5 組 zǔ
  1. to form
  2. to organize
  3. group
  4. team
  5. classifier for sets, series, groups of people, batteries
6 平行線 píngxíngxiàn parallel lines
7 組成 zǔchéng
  1. to form
  2. to make up
  3. to constitute
=8 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
=8 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=8 的 dí really and truly
=8 的 dì (bound form) bull's-eye; target
9 四邊形 sìbiānxíng (geometry) quadrilateral