Hla
abbr. 人类白细胞抗原（human leukocyte antigen）；高层体系结构（The High Level Architecture）
🗣️ 情景例句
Oh, Richard, it's wonderful!
噢 Richard 太棒了
I have a lot of trouble with pronunciation.
我有发音的很多毛病。
I'll have to stay at the office.I don't know when I'll finish.
我不得不留在办公室，不知道什么时候才能结束。