英语词汇“knocker”的读音、翻译、释义、用法及例句-集火网

词汇	knocker
释义	knocker ['nɒkə] n. 敲击者(或物), 敲门者, 门环【电】开锤相关词组: up to the knocker
随便看	option bond option book option button option dealing optionee option group option market option of domicile option of nationality option of profession option to purchase optist opto- optoacoustic dctection method optoblast optocele optochin optoelectronic optoelectronic device optoelectronic diodes optoelectronic hybrids optoelectronic input optoelectronic integrated circuit optoelectronic isolator optoelectronic memory

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