Corasil
(液体色谱固定相)表面多孔的玻璃珠
🗣️ 情景例句
You can see many posters that are put up before the movie opens.
每部电影首映前你都会看到铺天盖地的海报。
I'm stuffed.
我快撑死了！
Yes, that is the best we can do.
是的，这是我们的最低价了。