Xanthyletin
美洲花椒素
🗣️ 情景例句
Our teacher drills us in English.
我们老师让我们反复操练英语。
Kristy had believed her brother was right from the beginning.
克里斯蒂一开始便相信她哥哥是正确的。
Don't we have any food for supper?
我们晚饭没有东西吃了吗？