Boan
n. (Boan)人名；(西)博安；(英)博恩\\n宽带光接入网(broadband optical access network)\\n面向企业的光接入网（business-oriented optical access network）
🗣️ 情景例句
Weren't they going to be here this morning?
他们不是今天早上要来这儿吗？
To read a book
读书
How do you know?
你怎么知道？