Unsaturated bond
[化] 不饱和键
🧩 词语组成解析
a. 没有饱和的, 不饱和的
🗣️ 情景例句
In North America when people meet each other for the first time.
在北美，当人们第一次彼此见面时。
Many a true word is spoken in jest.
戏言寓真理。
Sure that I had passed, I was almost beginning to enjoy my test.
确信我已通过考试，所以我几乎开始喜欢起这次考试。