Boundary science
[计] 边缘科学
🧩 词语组成解析
🗣️ 情景例句
What's the matter?
有什么事？
Hope springs eternal (in the human breast).
希望会产生，永远无穷尽。
Heavy iron chains around his feet and hands were fixed to a metal bar that ran round the hall about ten centimetres off the ground.
手上和脚上沉重的铁链拴在厅堂四周离地约有10厘米的金属杆上。