每日口說挑戰【TED-Ed】人人都愛的黃金到底是從何而來? (Where does gold come from? - David Lunney)

Hey, VoiceTubers. This is Nina, and you're listening to the Pronunciation Challenge. People use gold in many areas, such as jewelry, medicine, and electronics. But did you know where the gold comes from? Before we get to the answer, let’s check out today’s sentence and pronunciation tips.

Sentence
Using particle accelerators, we can mimic the complex nuclear reactions that create gold in stars.

Pronunciation Tips
1. using (the pronunciation of s)
2. particle (how to pronounce ti)
3. accelerators (the pronunciations of two "e"s)
4. mimic (the pronunciations of two "i"s)
5. nuclear (how to pronounce the second syllable in this word)

Vocabulary
1. particle (n) 粒子 KK [ˋpɑrtɪk!] IPA /ˈpɑːr.t̬ə.kəl/
Def: an extremely small piece of matter
Eg. Electrons are atomic particles.
電子是原子粒子。

2. accelerator (n) 加速器 KK [ækˋsɛlə͵retɚ] IPA /əkˈsel.ɚ.eɪ.t̬ɚ/
Def: in physics, a machine that makes particles (= small pieces of matter) move very fast
Eg. Accelerators are used to destroy cancer cells and optimize vaccines and new drugs.
（粒子）加速器被用於破壞癌細胞和優化疫苗及新藥。

3. mimic (v) 模仿 KK [ˋmɪmɪk] IPA /ˈmɪm.ɪk/
Def: to copy the way in which a particular person usually speaks and moves, usually in order to make people laugh
Eg. Children often mimic their parents when they're learning how to speak.
學習如何說話時，孩童時常會模仿自己的父母。

Alright, that's all for today's episode. Before watching today's video, did you know that gold comes from outer space? Or have you never thought of this question before? The fact that gold comes from stars is actually quite romantic, well, if we don't consider that the process might destroy an entire planet. What are your thoughts on today's topic? Do you think it is reasonable for gold to have such a high value? Share your answers in the comments, and don't forget to record the sentence. I'll see you in the next episode.

Using particle accelerators, we can mimic the complex nuclear reactions that create gold in stars.

核能的應用真D強

Using particle accelerators, we can mimic the complex nuclear reactions that create gold in stars.

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Using particle accelerators, we can mimic the complex nuclear reactions that create gold in stars.

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