Web-footed describes an animal whose toes are joined together by skin, so the foot works like a paddle. Ducks, geese, swans, frogs, penguins, otters — all web-footed. The skin between the toes lets them push water and swim fast, which is exactly why the animal has it.

Web-footed describes an animal whose toes are joined together by skinWeb-footed 形容的是腳趾間有皮膜相連的動物, so the foot works like a paddle讓腳可以像槳一樣划水。Ducks, geese, swans, frogs, penguins, otters鴨子、鵝、天鵝、青蛙、企鵝、水獺 — all web-footed都是 web-footed。The skin between the toes lets them push water and swim fast腳趾間的皮讓牠們能推水、游得快, which is exactly why the animal has it這正是動物長這種腳的原因。

The 'web' here is not the internet and not really a spider's web either — it is the older meaning of web: a thin flat sheet of something stretched across a space. That is the same picture in all three uses, which is worth noticing once and then never forgetting.

The 'web' here is not the internet這裡的 'web' 不是網路, and not really a spider's web either其實也不太算是蜘蛛網 — it is the older meaning of web而是 web 比較古老的意思: a thin flat sheet of something stretched across a space指的是一片薄薄的、撐開在一個空間裡的東西。That is the same picture in all three uses這三種用法其實是同一個畫面, which is worth noticing once and then never forgetting值得注意一次，之後就不會忘記。

It is a describing word that goes before a noun almost every time: a web-footed bird, web-footed animals. You would rarely say 'that duck is web-footed' — you would say 'ducks have webbed feet'. That is the more natural everyday sentence, and it uses the sister word 'webbed'.

It is a describing word that goes before a noun almost every time這是個幾乎每次都放在名詞前面的形容詞: a web-footed bird, web-footed animals像 a web-footed bird（有蹼的鳥）、web-footed animals（有蹼的動物）。You would rarely say 'that duck is web-footed'很少人會說 'that duck is web-footed' — you would say 'ducks have webbed feet'通常會說 'ducks have webbed feet'。That is the more natural everyday sentence這才是比較自然的日常說法, and it uses the sister word 'webbed'用的是它的姊妹字 'webbed'。

In writing it usually keeps the hyphen. You will also see 'web-toed' occasionally, and doctors use 'webbed' for the same thing in humans, where two fingers or toes are joined at birth.

In writing it usually keeps the hyphen寫的時候通常會保留連字號。You will also see 'web-toed' occasionally偶爾也會看到 'web-toed', and doctors use 'webbed' for the same thing in humans醫生也用 'webbed' 來講人身上同樣的狀況, where two fingers or toes are joined at birth指的是天生手指或腳趾連在一起。