Oxamethane
草氨酸乙酯
🗣️ 情景例句
What is the most important thing for you to be happy?
你认为对你来说开心最重要的是什么？
Easier said than done.
说话容易做事难。
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？