Whatchamacallit
n. =what-you-may-call-it
🗣️ 情景例句
Monday morning.
星期一早晨。
To answer the first part of your question, I'd like to say that our studies were very extensive.
你问题的第一部分，我要说的就是我们的研究非常广泛。
Sorry, I don't know. My watch is at home.
对不起，我不知道，我把表放在家里了。