Definition

1. Adjective:

   • Twin, twin-born: Describes two offspring born from the same pregnancy. It is used to indicate the state of being a twin.
   • Forming a pair at birth: Refers to being born as one of a pair in a single birth event.

2. Verb (used as a main verb or after another verb):

   • To give birth to twins: The act of delivering twins.

Usage Examples

• Adjective (often placed after the noun):

  • Hai đứa trẻ sinh đôi. (The two twin children.)
  • Họ là anh em sinh đôi. (They are twin brothers.)
  • Cô ấy mang thai sinh đôi. (She is pregnant with twins.)

• Verb:

  • Người phụ nữ đó đã sinh đôi. (That woman gave birth to twins.)
  • Mèo nhà tôi vừa đẻ sinh đôi. (My cat just had twins.)

Advanced Usage

• "trẻ sinh đôi" / "con sinh đôi": A common phrase meaning "twin child/children."

  • Chăm sóc trẻ sinh đôi đòi hỏi nhiều công sức. (Taking care of twin children requires a lot of effort.)

• "mang thai sinh đôi": To be pregnant with twins.

  • Việc mang thai sinh đôi có thể được phát hiện qua siêu âm. (A twin pregnancy can be detected via ultrasound.)

Variants and Related Words

• Song sinh: A more formal or scientific synonym for "sinh đôi," meaning "twins." It can also be used in compounds like "cặp song sinh" (pair of twins).
• Sinh ba: To give birth to triplets; triple-born.
• Sinh tư: To give birth to quadruplets; quadruple-born.

Synonyms

• Trẻ sinh đôi: Twin children.
• Anh/chị/em sinh đôi: Twin brother/sister/sibling.

Related Phrases / Compound Terms

• Sinh đôi cùng trứng: Identical twins (monozygotic).
• Sinh đôi khác trứng: Fraternal twins (dizygotic).
• Hiện tượng sinh đôi: The phenomenon of twinning.

adj

1. twin, twin born
   • đứa trẻ sinh đôi
     a twin