Substructure
n. 下部结构, 路基, 基础\\n[化] 子结构; 底部结构
✅ 同义词
📖 牛津释义
substructure
n
underlying or supporting structure; base or foundation 下部结构; 支撑结构; 基础; 根基. Cf 参看 superstructure 1.
🗣️ 情景例句
I'd like you to meet Audrey and her mother, Mrs. Cooper.
我来向你介绍， Audrey和她母亲 Cooper太太。
Who laughed a while ago?
刚才谁在笑？
For a long time.I watched them scurrying around the base of the tree in bewilderment.
在很长一段时间里，我看见蚂蚁围着大树底部来回转悠，不知所措。