Chromosorb
红色硅藻土色谱载体
🗣️ 情景例句
He took French leave.
他不辞而别。
A group of us went out to the theater last night.
我们一群人昨晚去外面到剧院。
What are you going to do with that vase, Penny?
你打算如何处理那共瓶？