科技的演進史！它如何改變世界？ (The Evolution of Technology |How It has Changed The World|)

US /sɪɡˈnɪfɪkənt/

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UK /sɪgˈnɪfɪkənt/

US /səˈfɪstɪˌketɪd/

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UK /səˈfɪstɪkeɪtɪd/

US /ˈæksɛs/

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UK /'ækses/

US /prəˈfaʊnd, pro-/

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UK /prə'faʊnd/