Sephadex
n. [化](作为分子筛用于化学品的分离与提纯的) 交联葡聚糖,塞法戴克斯[商标名]
🗣️ 情景例句
Don't laugh. In the beginner's class,they give you a chance to rest between exercises.
别笑。在初级课程中你有机会休息。
To wait impatiently for the late bus
焦急地等着迟迟不来的公车
Check the prices before you decide whether to buy one.
先把价格核对一下,再决定该不该买。
更多情景英语 ›