Dod
abbr. 美国国防部（Department of Defense of the United States）
🗣️ 情景例句
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
He was pale with fear.
她吓得脸色刷白。
You were very angry!
你火气真大！