Backfilling gang
[机] 回填组
🧩 词语组成解析
[机] 回填
gang
[ɡæŋ]
n. 帮派，团体;盗贼等的)一帮;（工具，机械等的）一套;〈美俚〉棒球队;
vt. 使结成一帮;成群地袭击;
vi. 结伙行动;
🗣️ 情景例句
that will bring parents and teachers together once a week
让家长们及教师每星期一次
How long is the ticket valid?
这车票有效期多久？
It's rude to stare at other people.
盯着别人看是不礼貌的。