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
which is going out with a camera and a roll of film
那就是带着照相机和一卷底片出去久
Where did you visit?
你去参观了哪些地方？
The mummy successfully survived the operation.
这具木乃伊成功地经受了这次手术。