thingummy
(also thingumajig , thingumabob , thingy ) n (infml 口) personor thing whose name one does not know or has forgottenor does not wish to mention 某人, 某物(其名不详或已忘记或不愿提及).
🗣️ 情景例句
and we're trying to resolve that problem.
试图解决这类问题。
I'd like to sit in the front of the plane.
我要坐在飞机前部
Go on until you reach the end. You'll find the park in front of you.