Underpinning
n. 基础材料, 支承结构
✅ 同义词
🗣️ 情景例句
You'll have your tonsils out tomorrow,
明天你的扁桃腺一切除，
I work hard all morning.
我整个早上努力工作。
'I don't know,' I answered, 'Tommy's been to the toilet three times this morning, but I haven't had any change yet!'
“我不知道”，我回答说，“今天上午汤米去了3次厕所了，但我还没看到硬币！”