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 think she has a stomachache.
我想她肚子痛。
He has a strong accent.
他口音很重。
Look at the sun! It's very bright.
瞧，阳光灿烂！