Blocked bond
[化] 闭锁键
🧩 词语组成解析
a. 堵塞的；被封锁的
🗣️ 情景例句
Lacks vitality.
缺乏活力。
By the way, before leaving this subject, I would like to add a few comments.
在结束这个问题之前顺便一提，我希望能再提出一些看法。
I was doing my homework and forgot the time.
我在做家庭作业，忘记了时间。