Whatchamacallit
n. =what-you-may-call-it
🗣️ 情景例句
Oh, leaving home is part of growing up.
呵 ，离开家是成熟过程的一部分。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
It was a pleasure. Bye!
不客气。再见！