An umbrella barrage
防空火力网,密集拦阻射击
🧩 词语组成解析
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
🗣️ 情景例句
I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.
我星期五会给你打电话，在你方便的时间重新安装我们的午餐约会。
His house is in a convenient place, near the station.
他的家在车站附近，是一个方便的地方。
Who was it?
谁打来的电话？