filaments

filaments — 名詞

1. a very thin, flexible thread or fibre, either natural like silk or cotton, or ar

1.名詞B2
釋義

細絲;纖維

天然或人造的細長柔韌物質

a very thin, flexible thread or fibre, either natural like silk or cotton, or artificial like nylon or polyester, used in fabrics, industrial products, and biological structures.

例句

Nora pulled a single filament of silk from the spider's web to examine it under the microscope.

Nora 從蜘蛛網上拉下一根單一的絲質細絲,放在顯微鏡下觀察。

countable: a single filament of [material]

The jacket is padded with synthetic filaments that trap warm air close to the body.

這件外套填充了合成纖維,可以將暖空氣鎖在身體周圍。

collocation: synthetic filaments

同義詞
  • fibre

    a broader term for natural or synthetic thread-like material; fibre can be a collection of filaments

  • strand

    more general; a strand of hair or rope can be thicker than a filament

  • thread

    usually refers to a twisted bundle of filaments used in sewing

文法句型

a filament of [material]

用法筆記

The singular form 'filament' is also common, especially when referring to a single strand: 'a filament of cotton'.

常見錯誤

The fabric is made of thin threads called threads.
The fabric is made of thin strands called filaments.
💡'filament' is the specific term for a very fine, single strand, whereas 'thread' describes multiple twisted filaments.

2. a thin piece of metal wire inside a light bulb or heating element that produces

2.名詞B2
釋義

燈絲

燈泡內通電發光的金屬細絲

a thin piece of metal wire inside a light bulb or heating element that produces light or heat when an electric current passes through it.

例句

When the bulb shattered, Takashi could see the tiny filament still glowing for a moment.

燈泡摔碎時,Takashi 仍可看見細小的燈絲閃了一下光。

collocation: bulb filament

Old-fashioned incandescent bulbs use a tungsten filament, while LED bulbs work differently.

老式白熾燈泡使用鎢絲燈絲,而 LED 燈泡的發光原理不同。

collocation: tungsten filament

同義詞
  • wire

    a general term for a metal conductor; wire is much broader and not specific to bulbs

  • heating element

    a broader term for the part that produces heat in appliances like toasters; may include a filament

文法句型

tungsten / carbon + filament

用法筆記

Frequently paired with 'tungsten' or 'carbon' to specify the metal. The word is less common for modern LED bulbs, which do not use a glowing filament.

常見錯誤

I need to change the filament in my LED lamp.
I need to change the bulb in my LED lamp.
💡LED lamps do not contain a glowing wire filament.

3. a long, thin structure consisting of a single chain of cells or one very long ce

3.名詞C1
釋義

絲狀體;菌絲

由細胞串成的細長生物結構

a long, thin structure consisting of a single chain of cells or one very long cell, found in simple living things such as algae, fungi, and some bacteria.

例句

Amara examined the green filament of algae floating in the pond under the classroom microscope.

Amara 在課堂顯微鏡下觀察池塘中漂浮的綠色藻類絲狀體。

collocation: filament of algae

When bread mould grows, it first forms tiny white filaments that spread across the surface.

麵包黴菌生長時,會先形成細小的白色菌絲,蔓延到整個表面。

collocation: mould filaments

同義詞
  • hypha

    the specific term for a filament of a fungus; hyphae make up the mycelium

  • strand

    a more general, less technical term for a thread-like structure

  • trichome

    a technical term for a filament in certain algae and cyanobacteria

文法句型

filament of [organism]

用法筆記

Primarily a technical term in microbiology and botany. In everyday conversation, people are more likely to say 'strand' or 'thread' instead.

常見錯誤

There are filaments growing on my old bread.
There is mould growing on my old bread.
💡'filament' is a scientific term; everyday speech uses 'mould' or 'fuzz'.

4. the thin, upright stalk of a flower's male reproductive part (the stamen) that h

4.名詞C2
釋義

花絲

雄蕊上支撐花藥的細長柄

the thin, upright stalk of a flower's male reproductive part (the stamen) that holds the anther, which contains pollen.

例句

Diego carefully removed the filament and anther from the lily to study the parts of the flower.

Diego 小心翼翼地從百合花上取下花絲和花藥,以便研究花朵的各個部位。

part of a stamen in a flower

In tulips, the filaments are short and the anthers sit close to the petals.

鬱金香的花絲很短,花藥緊貼著花瓣生長。

同義詞
  • stalk

    a more general term for any plant stem; less precise than 'filament' in botany

文法句型

filament of the stamen

用法筆記

A specialised botanical term. Learners studying plant biology should distinguish the filament from the style (part of the female pistil).

常見錯誤

The filament of the flower holds up the petals.
The filament of the flower holds up the anther.
💡The filament supports the anther (the pollen-bearing part of the stamen), not the petals.