tuber
n
short thick rounded part of an underground stem (eg of a potato) or root (eg of a dahlia) which stores food and produces buds from which new plants will grow 块茎.
🗣️ 情景例句
Do you know what I'm talking about?
知道我讲的是什么吗?
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
He explained that his diet was so strict that he had to reward himself occasionally.