Dcor
abbr. Defense Committee on Research (USAF) 防御研究委员会（美国空军）
🗣️ 情景例句
Is there a credit plan available?
我可以分期付款吗？
The petroleum region is centered largely in the north.
那里的石油区大部分集中在北部。
He struck his attacker on the ear.
他打了那个攻击者一耳光。