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
I'm so busy that I don't get around to it.
我忙得找不出时间去做它。
Would you like to have some dinner?
你想吃饭吗？
Sally was amused, but I was very embarrassed!
萨莉感到很有趣，而我却很尴尬。