Siver
abbr. simian immunodeficiency virus猿猴免疫缺损病毒
🗣️ 情景例句
Right, Robbie?
对吧， Robbie？
Is that ok?
这样行吗？
I'm sorry, Lucy.I'm afraid that I can't get up.
对不起，露西，恐怕我站不起来。