Spiroannulation
[化] 螺增环
🗣️ 情景例句
Don't eat any strange food.
别吃什么不对劲的食物。
Politeness is to do and say the kindest thing in the kindest way.
文雅就是善良地做事，和善地说话。
Which school were you at last year?
你去年在哪所学校读书？