Air-to-ground
a. 空對地的
?? 詞語組成解析
air
[??]
n. 天空;氣氛;空運;（簡單易記的）曲調;
vt.& vi. 晾曬;烘干;播送;廣播;
vt. 使房間通風， 透氣;
to
[tu,t?]
prep. 向，朝著;到;關于;屬于;
adv. 朝一個方向的;到某種狀態;關閉;
ground
[ɡra?nd]
n. 地面，土地;基礎;范圍;陣地，戰場;
vi. 擱淺，停飛;著陸;
vt. 把…放在地上;在…的基礎樹立上;交給…基本知識;使…受初步訓練;
v. grind的過去式和過去分詞;
??? 情景例句
It's our school, but we can't vote.
那是我們的學校 ，可是我們卻不能投票。
You look tired. Have you been getting enough sleep?
你似乎累了。睡眠充足嗎？
his very concepts of the true and the false will still have reference to his particular traditional customs.
人們關于真與偽的概念依然和特定的傳統風俗有關。