Sepharose
琼脂糖(凝胶)
🗣️ 情景例句
I know the house.
我熟悉这房子。
Please show me a more expensive one.
请给我看一件比较贵的衣服。
As soon as he saw us, he picked up a long pipe which was covered with coins and opened one of the baskets.
他一见我们，就拿起了一个长长的上面镶有硬币的管乐器，并掀开了一个筐的盖子。