Bisethylxanthate
双黄原酸乙基酯
🗣️ 情景例句
After I finish my homeword, I usually watch TV for half an hour or so.
我做完作业后，通常看半个小时的电视。
You've got to do something.
你一定要想办法。
This, however, means nothing.
但是，这没有什么关系，