Footer

    Download on the App StoreGet it on Google Play

    關於

    • 認識 VoiceTube
    • 學習服務介紹
    • 加入我們
    • 常見問題
    • 熱門搜尋主題
    • 企業英文培訓
    • 社群推廣分潤計畫

    服務總覽

    • 口說挑戰
    • 單字單句本
    • Hero 智能學習
    • Tutor 真人家教
    • Vclass 名師課程
    • Campus 教育版
    • 字典查詢
    • 匯入影片並生成字幕
    • 部落格

    精選頻道

    影片分級

    • A1 初級
    • A2 初級
    • B1 中級
    • B2 中高級
    • C1 高級
    • C2 高級

    隱私權˙條款˙
    ©2026 VoiceTube Corporation. All rights reserved

    surfactants

    US

    ・

    UK

    A1 初級
    n. pl.名詞 (複數)表面活性劑

    影片字幕

    19分鐘搞懂【普通化學】! (GENERAL CHEMISTRY explained in 19 Minutes)

    18:4919分鐘搞懂【普通化學】! (GENERAL CHEMISTRY explained in 19 Minutes)
    • Fun fact: soap works because the molecules that it's made from, which are called surfactants, have a polar head and a nonpolar tail.

      水的極性也解釋了為什麼它是最通用的溶劑之一。

    • Fun Soap works because the molecules that it's made from, which are called surfactants, have a polar head and a nonpolar tail.

      Fun Soap 之所以有效,是因為它由稱為「介面活性劑」的分子組成,這些分子帶有一個極性頭部和一個非極性尾部。

    B2 中高級

    回收的運作原理是什麼?♻️ (How Recycling Works)

    08:54回收的運作原理是什麼?♻️ (How Recycling Works)
    • It's then sent to the de-inker, which is another bath containing air bubbles and soap-like chemicals called surfactants that separate the paper from the ink.

      然後將其送到脫墨機,這是一個含有氣泡和稱為表面活性劑的皂狀化學物質的浴缸,可將紙張與油墨分離。

    • which is another bath containing air bubbles and soap-like chemicals called surfactants
    B1 中級

    16 個洗髮乳的小事實 (16 Shampoo Facts (Incl. Why There's Silicone In Your Shampoo!) - mental_floss - List Show (302))

    05:3316 個洗髮乳的小事實 (16 Shampoo Facts (Incl. Why There's Silicone In Your Shampoo!) - mental_floss - List Show (302))
    • called surfactants. Half of each surfactant wants to dissolve in water, and the other

      叫做界面活性劑,每一個界面活性劑的一半具親水性,

    • half wants nothing to do with H2O. When hair meets water that has interacted with surfactants,

      而另一半完全不想跟水有關係。當毛髮碰到與界面活性劑互相作用的水時,

    B2 中高級

    【實用】為甚麼衣服會縮水呢?(Why Do Clothes Shrink When You Wash Them?)

    04:29【實用】為甚麼衣服會縮水呢?(Why Do Clothes Shrink When You Wash Them?)
    • and synthetic fibers in a solution of water, enzymes, surfactants, and detergents to confine

      與人造纖維泡在充滿酵素、介面活性劑、清潔劑水溶液裡,以包覆

    B2 中高級