are
ɑ:n. a unit of surface area equal to 100 square meters
Hear it in real videos
Tap a timestamp to play the exact moment — the player switches videos when the line comes from a different clip.
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What year are we in?
我们现在是在哪一年?
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For starting from observation, that matters because we are learning to build English thoughts from quick observations, feelings, and simple first words before translating takes over.
对于从观察开始,这很重要,因为我们正在学习在翻译接管之前,从快速观察、感受和简单的初始词汇中构建英语思维。
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When regular cells are infected with a virus, they fight back hard and without compromise.
当正常细胞感染病毒时,它们会毫不妥协地进行强力反击。
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And there they are, a living thing in the earth that's been there for a thousand years.
它们是地球上活生生的东西,已经在那里存在了一千年。
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But these are great for just scheduling out their meals because you can do it on apps for both of them.
但这些设备非常适合安排它们的进食时间,因为你可以通过应用程序为它们两个分别设置。
Practice in LingoDew
In the app, tap are in any video to see what it means, save it, and review it right before you forget — across every clip it appears in.