Foundational
a. 基础的, 基本的
✅ 同义词
🗣️ 情景例句
Do you have any magazines I can read during the flight?
你们机上有杂志给我看吗？
Nothing venture, nothing win (or have or gain).
不入虎穴，焉得虎子。
Carbonated drinks are acidic, and slightly safer.
碳酸饮料是酸性的，就更安全一些。