Secdef
abbr. Secretary of Defense 国防部长
🗣️ 情景例句
Don't you want something to eat?
您想吃点什么吗？
Shame on you!
不知羞耻！
The slope averages about 1 in 30, but contains steep,
坡度平均约为1/30，但其中包括陡峭的，