Boundary relation
[化] 边值关系
🧩 词语组成解析
🗣️ 情景例句
Don't get upset.
不要发怒。
Which of your arms is sore?
你哪个手臂酸呀？
Whether the remarkable growth of organized camping means the eventual death of the more independent kind is hard to say.
有组织的露营活动的明显发展是否意味着较独立的自我封闭式露营的最终消失，还很难说。