Blk
abbr. 黑色（black）；主動脈排空系數(shù)；坯料（blank）；空白表格（blank form）
??? 情景例句
Excuse me, ma'am.
對不起 夫人
I enjoyed it very much.
我非常喜歡。
It's raining! That means You don't need to water the garden.
下雨了，這就是就是說，你不必給花園澆水了。