Dcor
abbr. Defense Committee on Research (USAF) 防御研究委员会（美国空军）
🗣️ 情景例句
May I ask where you are from?
我可以请问你是哪里人吗？
Happy is he that is happy in his children.
对自己孩子感到高兴的，才是幸福的人。
Car alarms constantly scream at us in the street and are a source of profound irritation.
在街上，汽车的防盗警报不断对我们吼叫，这是人们极度烦燥的一个原因，