Blocked bond
[化] 闭锁键
🧩 词语组成解析
a. 堵塞的；被封锁的
🗣️ 情景例句
Were you here last time on his birthday party?
上次你有没有参加他的生日舞会？
Do you live in the countryside?
你在乡间里居住吗？
An electric razor that meets the European Union's safety standards must be approved by American testers before it can be sold in the United States,
一把符合欧洲联盟安全标准的电动剃须刀必须得到美国检测人员的认可，方可在美国市场上销售；