聚酯薄膜 (jù zhǐ bó mó) — polyester film (thin plastic sheet used in packaging, insulation, and industrial applications)

Definition

A compound noun meaning 'polyester film' — a thin, strong plastic sheet used in packaging, electrical insulation, and industry. Largely a technical term; learners mostly need to recognize it in product specs and manufacturing contexts.

noun
polyester film (thin plastic sheet used in packaging, insulation, and industrial applications)
Measure word · 张

Examples

  • 聚酯薄膜。
    Zhè zhǒng jù zhǐ bó mó cháng yòng yú shí pǐn bāo zhuāng.
    This type of polyester film is often used for food packaging.
  • 聚酯薄膜。
    jù zhǐ bó mó De jué yuán xìng néng hěn hǎo.
    Polyester film has good insulating properties.
  • 聚酯薄膜。
    Gōng chǎng xū yào cǎi gòu yì pī jù zhǐ bó mó.
    The factory needs to purchase a batch of polyester film.

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.

聚酯polyester
聚jùpoly酯zhǐester
偏正Modifier + head
薄膜thin film
薄báothin膜mófilm
偏正Modifier + head

聚酯 names the polyester material, and 薄膜 names the thin sheet.

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
乑乑yínthree men
Sound part声符shēngfú
取
取qǔ聚jù
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

聚 is built from 取, which gives the sound, and 乑, drawn as three men, to show people coming together.

Open 聚 →

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
酉酉yǒuoxygenated functional group
Sound part声符shēngfú
旨
旨zhǐ酯zhǐ
Same sound today

The left 酉 part marks it as an oxygenated organic compound, and the right 旨 part gives the sound.

Open 酯 →

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
艹Written in full as艸cǎo
Sound part声符shēngfú
溥
溥pǔ薄báo
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

薄 combines 艹, a grass part, with 溥 as the sound part.

Open 薄 →

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
⺼Written in full as肉ròu
Sound part声符shēngfú
莫
莫mò膜mó
Same sound today

膜 combines ⺼ (written in full as 肉) with 莫, which gives the character its sound.

Open 膜 →

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