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
Michelle.
Michelle。
You'll know our products better after this visit.
参观后您会对我们的产品有更深的了解。
'I've been coming up here night after night for weeks now.
“好几个星期了，我天天夜里到钟楼上来。