Sym-trioxane
[化] 对称三┭烷
🧩 词语组成解析
[计] 符号, 系统, 制
🗣️ 情景例句
I have to think about it.
我得想一想。
A match will set fire to a large building.
星星之火，可以燎原。
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。