Blk
abbr. 黑色（black）；主动脉排空系数；坯料（blank）；空白表格（blank form）
🗣️ 情景例句
You don't know up from down.
你黑白不分。
We can go faster than yesterday, I guess.
我想我们可能比昨天走得远。
Just take this street round to the right of the castle.
走这条路，拐个弯就到了城堡的右侧。