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
555-9470…and it's busy….
555-9470……还是忙音 ……
A great talker is a great liar.
最会饶舌的人也是最会说谎的人。
An Indian came into the waiting room, and walked quickly to the doctor's door.
一个印度人走进候诊室，快步朝医生的门口走去。