Helicene
螺烯
🗣️ 情景例句
All I do is study and take exams.
我要接受所有的学习和考试。
Do you often work for Mr.stone during the holidays?
你常常在假日期间为斯通先生工作吗？
There aren't enough candles, said ann. There are only twelve. We'll need one more.
“蜡烛不够呀，”安说，“只有12支。我们还需要一支。”