Parthenolide
[医]银胶菊内酯，小白菊内酯
🗣️ 情景例句
I understand Richard's feelings about it, Ellen.
我了解Richard对此的感受， Ellen。
I did it without much difficulty.
我没费多少劲就完成了那项工作。
'At ten to eight.I bought a paper and waited for the train.'
“7点50分。我买了张报纸，等着车来。”