Serovar
血清变型
🗣️ 情景例句
IT is no longer the growth industry it once was.
信息科技业的增长不再像以前那样快。
I'll call you back.
我回电话给你。
he submits himself to a more ruthless discipline than any critic dreamed of,
就应按任何评论家想像不到的无情规范约束自己去写作；