Gda
abbr. gun-damage assessment 炮轰破环（情况）判定; gun-defended area 高射炮防区
🗣️ 情景例句
You're a big boy.
你是个大孩子了。
What kind of talk is that?
你说这什么话？
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。