Sdo
abbr. 服务数据对象（Service Data Objects）；合成干性油（synthetic drying oil）
🗣️ 情景例句
It's nice to see you again.
很高兴再见到你们。
Excuse me to have troubled you.
对不起麻烦你。
There are some in the cupboard.
碗橱里有几只。