cung quăng

Một đứa trẻ quan sát cung quăng bơi trong một lọ thủy tinh.

Definition

1. Noun:
   • Mosquito larva: The aquatic, immature, and worm-like stage of a mosquito's life cycle, found in still water.
   • Wriggler: A common descriptive term for the larva due to its characteristic wriggling swimming motion.

Usage Examples

• Noun:
  • Ao tù nước đọng thường có nhiều cung quăng. (Stagnant ponds often have many mosquito larvae.)
  • Cung quăng phát triển thành muỗi. (Mosquito larvae develop into mosquitoes.)
  • Để diệt muỗi, trước hết phải diệt cung quăng. (To eliminate mosquitoes, you must first eliminate the larvae.)

Advanced Usage

• The term "cung quăng" is used specifically in biological and public health contexts related to disease prevention, as mosquitoes are vectors for illnesses like dengue fever.

Variants and Related Words

• Bọ gậy (n): Another common Vietnamese term for mosquito larva. It is often used interchangeably with "cung quăng".
  • Lật úp các vật chứa nước để diệt bọ gậy. (Overturn water containers to kill mosquito larvae.)

Synonyms

• Mosquito larva: The immature, aquatic form of a mosquito.
• Wriggler: An informal term for the larva.
• Tumbler: A less common synonym referring to the pupal stage, but sometimes confused with the larval stage.

Related Idioms

• Nơi nước đọng sinh cung quăng: A proverb meaning "stagnant water breeds mosquito larvae," often used metaphorically to indicate that a bad environment fosters problems.
  • Khu phố không vệ sinh là nơi nước đọng sinh cung quăng của dịch bệnh. (The unclean neighborhood is the stagnant water that breeds the larvae of disease.)