retractor

US /rɪ'træktə/

・

UK /rɪ'træktə/

A1 初級

n.名詞牽開器

影片字幕

【動物】小動物大能力！倉鼠到底如何在臉頰裡塞這麼多食物？ (How Hamsters Can Stuff So Much Food In Their Cheeks)

03:08

【動物】小動物大能力！倉鼠到底如何在臉頰裡塞這麼多食物？ (How Hamsters Can Stuff So Much Food In Their Cheeks)

These cheeks also come with special retractor muscles that help the hamster stuff itself to maximum capacity.
這些臉頰有特殊的收縮肌可以幫助倉鼠把自己塞到最滿。
Once the food is well on its way, that's when the retractor muscles come into play.
一旦食物順利進入，收縮肌就開始發揮作用了。

未來的設計 (2006) 官方完整電影 (Future by Design (2006) Official Full Movie)

29:23

未來的設計 (2006) 官方完整電影 (Future by Design (2006) Official Full Movie)

You know what a retractor is? - No
你知道什麼是牽引器嗎? -不知道

為什麼青蛙的舌頭很神奇 (Why Frog Tongues Are Amazing)

03:06

為什麼青蛙的舌頭很神奇 (Why Frog Tongues Are Amazing)

an extender and a retractor.
伸展肌群及牽引肌群。
The frog's retractor muscle yanks on the tongue,
青蛙的牽引肌群猛拉舌頭，

大爆炸理論》--謝爾登--縮回器。 (The Big Bang Theory - Sheldon the Retractor)

01:38

大爆炸理論》--謝爾登--縮回器。 (The Big Bang Theory - Sheldon the Retractor)