Cyclanone
环烷酮
🗣️ 情景例句
You can do it.
可以这样做。
Books, like friends, should be few and well chosen.
书籍如朋友，应该少而精。
He had often dreamed of retiring in England and had planned to settle down in the country.
过去他常幻想退休后到英国，并计划在乡间安顿下来。