Immunoprotection
免疫保护法
🗣️ 情景例句
Would you like to discuss it over lunch, Mr. Smith?
史密斯先生，吃饭时再讨论好吗？
You're very cheerful today.
你今天很快活。
'The fire broke out in the basement.I went down immediately,of course,
“地下室突然着火，我当然马上下去了。