Chromosorb
红色硅藻土色谱载体
🗣️ 情景例句
Well, let's go down to the coffee shop.
哦 ，那我们下去咖啡厅吧。
What do you know?
你懂什么？
When he got married, Alf was too embarrassed to say anything to his wife about his job.
艾尔弗结婚时，感到非常难为情，而没有将自己的职业告诉妻子。