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
Have you ever done any work in this field?
你曾经干过这一行吗？
I will be having dinner in Paris in April.
我将在四月份在巴黎吃晚餐。
But we never fight for long.
但不久就和解了。