Unstable systems
[计] 不稳定系统
🧩 词语组成解析
n. 体制, 体系；制度；系统（system的复数形式）
🗣️ 情景例句
Will he be OK, Dad?
他会没事吗， 爸爸？
It's awesome.
棒极了。
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。