Xanthyletin
美洲花椒素
🗣️ 情景例句
The robber struck him on the head.
强盗打他的头。
What do you know about the tenth century?
有关十世纪的事你知道些什么？
When Dimitri came in from the fields, his wife told him what had happened.
迪米特里从地里回来，妻子把情况跟他一说，