Oxonic acid
[化] 1,4,5,6-四氢-4,6-二氧-1,3,5-三嗪-2-羧酸
🧩 词语组成解析
🗣️ 情景例句
It's good that you went back.
你回去是对的。
She must be a model, isn't she?
她一定是个模特，不是吗？
Most of us have formed an unrealistic picture of life on a desert island.
我们许多人对于荒岛生活有一种不切实际的想法。