Immunoselection
免疫选择法
🗣️ 情景例句
And have you had an engineer come in to do an inspection?
你们可有一个工程师来做过检查吗？
Can you spot me?
你能先帮我垫一下吗？
There is so much variety that you never have to make do with second best.
物品种繁多，从来不必用二等品来凑合。