Obc
abbr. outer back cover 封底; on board checkout 在板校验; oscillating Baffle column 振动挡板柱（塔）; old brutal convict 时间长而令人痛苦的肺病
🗣️ 情景例句
But how did you know the party was for you?
但是你怎么知道派对是为你举办的呢？
We finally made it.
我们终于做到了！
But when the train dawdled at station after station, I began to wonder,
但是，当火车一站接着一站往前蠕动时，我便产生了怀疑。