Escin
七叶树(溶血)皂角素
🗣️ 情景例句
I hear the exams will be very tough.
我听说考试挺难的。
What part of the world do you come from?
你从世界的哪部分来的？
The police were called in, but they could not arrest anyone,
警察被召来了，但他们却不能逮捕任何人，