Chlorodioxin
氯化二氧杂环己烷
🗣️ 情景例句
She's still giving the toughest English history exams
她仍用最艰深的英国史试题考学生
This is a story.
这是一个故事。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。