双层 (shuāng céng) — double-decker (bus, bed, etc.); double-layered (structure, cake, etc.)

Definition

adjective
double-decker (bus, bed, etc.)double-layered (structure, cake, etc.)

Examples

  • 双层
    Zhè liàng shuāng céng bā shì kě yǐ zǎi hěn duō chéng kè.
    This double-decker bus can carry many passengers.
  • Sù shè lǐ yòng de shì shuāng céng chuáng, jié shěng kōng jiān.
    The dorm uses double-decker beds to save space.
  • 双层
    Zhè ge dàn gāo shì shuāng céng de, zhōng jiān yǒu nǎi yóu.
    This cake is double-layered with cream in the middle.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

双 means double and 层 means layer, so the sense is having two layers.

Characters in this word

Two or more meaningful parts placed together so that their meanings combine into a new one.

双 is made of two 又 parts side by side. Repeating 又 gives the sense of a pair.

Open 双 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 層; 层 is its simplified writing.

Meaning part形符xíngfú
Sound part声符shēngfú
céngcéng
Same sound today

The traditional form 層 uses 尸 for the meaning and 曾 for the sound; the simplified 层 is a later abbreviation.

Open 层 →

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