Whatchamacallit
n. =what-you-may-call-it
🗣️ 情景例句
What's this for?
为什么要送我花？
I succeeded because I willed it; I never hesitated.
我成功是因为有决心，从不犹豫。
Nice to see you. Please come in. This way, please.
很高兴见到你，进来吧！请这边走。