Polydatin
[化] 虎杖苷
🗣️ 情景例句
The darkest evening of the year.
在这一年中最漆黑的夜晚 。
I'm afraid I can't get away from the meeting.
我恐怕难以从会议中抽身。
I have just finished my work.
我刚刚完成我的工作。