Underpinner
n. 支承用的支撑,支柱
🗣️ 情景例句
Let me introduce you, Mr. Maxwell.
让我给你介绍一下， Maxwell先生。
Who are you?
你是谁？
Ann began to put the candles on her cake. Then she counted them.
安开始把蜡烛插到她的生日蛋糕上。插完，她数了数。