Dibudinate
2, 6, -二特丁基-1, 5-萘二磺酸盐
🗣️ 情景例句
Long time no see.
好久不见。
I can't promise anything,but I'll do my best.
不敢保证，不过我尽力而为。
The problem now facing humanity is: What is going to be done with all this knowledge?
用这些知识去做什么？