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boom off
US /bum ɔf/
・
UK /bu:m ɒf/
C2 高級
phr.v.
發出轟隆巨響
The fireworks boomed off loudly across the city at midnight.
影片字幕
7個超實用商業情境動詞片語! (7 Common PHRASAL VERBS for Business)
18:37
Kick, boom, off, away, to start.
踢、轟、離、開、啟動。
Kick, boom, off away to start.
和通過。
A2 初級