单词	infra-
释义	infra-infra- /ɪnfrə/ prefix technical Word Origin WORD ORIGINinfra- Origin: Latin infra ‘below’ Examples EXAMPLES FROM OTHER DICTIONARIES an infrared camera below something in a range:  the infra-red end of the spectrum → ultra-(2)
随便看	Bach, Johann Sebastian bacillus back backache backbench backbencher backbenches backbiting backboard backbone back boobs backbreaking back-burner back catalogue backchat backcloth backcomb back country backdate backdoor back door backdrop back-end backer backfire

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