外星人究竟是否存在？ (Alien life: are we about to find it?)

US /spɪˈsɪfɪk/

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UK /spəˈsɪfɪk/

US /pəˈtɛnʃəl/

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UK /pəˈtenʃl/

US /səˈfɪstɪˌketɪd/

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UK /səˈfɪstɪkeɪtɪd/

US /krev/

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UK /kreɪv/