Ethionic acid
[化] 乙二磺酸
🧩 词语组成解析
🗣️ 情景例句
Good. Thank you. I'll be right down.
好，谢谢你。我马上下来。
It's up to you.
一切由你决定。
I'd like to do some shopping, but not during the day.
我愿意买些东西，但不必白天去。