whatchamacallit

美 ['hwɑtʃəmə.kɔlɪt]

英 ['wɒtʃəmə.kɔːlɪt]

复数：whatchamacallits

同义词

thingy,thingummy,thingamajig,doodad,whatsit

n.	1. something whose name is forgotten or is not known 2. a word that you use for referring to something when you cannot remember what it is called

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