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
Then walk two blocks to the traffic light.
再走两条街到红绿灯处
What is it you don't like about winter weather?
你不喜欢冬天什么样的天气？
Was the damage extensive?
坏得很多、很严重吗？