Sdr
abbr. 国际货币基金组织的特别提款权（special drawing rights）；计数据记录器（Statistical Data Recorder）；系统定义记录（System Definition Record）
🗣️ 情景例句
What year are you?
你是哪一级的？
How much cloth did you want to order?
你想要多少布料？
That's better.
好多了。