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投影 (tóu yǐng) — (noun) projection, projected image; (verb-object) to project (an image, light, etc.)

Definition

As a noun, 投影 means a projected image cast on a surface (e.g. a slide on a screen); as a verb, it means to project an image or light onto something. The verb-object split allows inserting a result or measure (投了三次影, 投了一张地图).

noun
projectionprojected image(verb-object) to project (an image, light, etc.)

Examples

  • 投影。
    Zhè ge tóu yǐng hěn qīng xī.
    This projection is very clear.
  • 。
    Tā tóu le sān cì yǐng.
    He projected three times.
  • 投影。
    Wǒ men zài qiáng shàng tóu yǐng le yì zhāng dì tú.
    We projected a map onto the wall.

Origin

Compound word
构词法gòucífǎ
动宾dòngbīnVerb + object

An action followed by what it acts on, fused into one word.

投tóuproject
影yǐngimage

Casting light or an image produces a projected shadow or image.

Characters in this word

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

Meaning part形符xíngfú
扌Written in full as手shǒuhand
Sound part声符shēngfú
殳
殳shū投tóu
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The left part 扌 shows a hand, and the right part 殳 gives the sound of the character.

Open 投 →

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

Meaning part形符xíngfú
彡彡shān
Sound part声符shēngfú
景
景jǐng影yǐng
Same sound today

影 pairs 景, which gives the sound and also carries the idea of image, with 彡, the part that points to shadow.

Open 影 →
Appears in
Technology & Engineering

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