dorsal

IPA/ˈdɔːsl/
KK[dˈɔrsəl]IPA/ˈdɔːrsl/

dorsal — 形容詞

  • dorsalpositive
  • more dorsalcomparative
  • most dorsalsuperlative

1. found on or describing the upper side of an animal's body — the part that contai

1.形容詞B2
釋義

背側的

位於或朝向動物背部的

found on or describing the upper side of an animal's body — the part that contains the backbone and is opposite the belly

例句

A dolphin uses its dorsal fin to stay steady while swimming fast.

海豚用牠的背鰭在快速游泳時保持平衡。

collocation: dorsal fin

Nora felt a small lump on the dorsal surface of her hand after the fall.

Nora 摔倒後，感覺到手背有一小塊腫塊。

同義詞
  • back

    less formal, everyday term; 'back fin' is simpler but less precise than 'dorsal fin'

  • spinal

    refers specifically to the spine area, not the whole back side; 'spinal column' vs 'dorsal region'

  • posterior

    used mainly in human anatomy for the rear side; less common for animals

反義詞
  • ventral

    the exact opposite — relating to the belly or front side

文法句型

dorsal + noun

用法筆記

Attributive use (before a noun) is most common: dorsal fin, dorsal surface, dorsal area. The opposite of dorsal is ventral (relating to the belly side).

常見錯誤

❌The doctor checked her dorsal.
✅The doctor checked her dorsal area.
💡dorsal is an adjective, not a noun. Use it before a noun like 'dorsal surface' or 'dorsal area'.

2. in biology and medicine, describing the side or surface of a part that faces awa

2.形容詞C1
釋義

背軸的

遠離生物體或器官中軸的

in biology and medicine, describing the side or surface of a part that faces away from the central line of the body or organ — for example, the top of the foot or the lower surface of a leaf

例句

Hyun drew the dorsal side of the leaf in his botany notebook.

Hyun 在植物學筆記本裡畫了葉子的背軸面。

botany: dorsal side of a leaf

The doctor pressed gently on the dorsal area of Ramón's foot.

醫生輕輕按壓 Ramón 腳背的部位。

同義詞
  • abaxial

    a technical synonym used mainly in botany for the side of a leaf away from the stem

反義詞
  • ventral

    facing toward the axis — the opposite orientation

  • adaxial

    the botany-specific opposite, meaning the side facing the stem

文法句型

dorsal + noun

用法筆記

This sense is chiefly used in technical biology and medical contexts. It contrasts with ventral (facing toward the axis) and is commonly applied to organs, limbs, leaves, and embryos.

常見錯誤

❌The dorsal part of the leaf is the top.
✅The dorsal part of the leaf is the side facing away from the stem.
💡In botany dorsal means away from the stem axis, which is usually the lower surface.