Pinitannic acid
[化] 松单宁酸
🧩 词语组成解析
🗣️ 情景例句
And perhaps, you'll join us?
也许你能跟我们一起去
Which would you prefer, a smoking seat or a non-smoking seat?
你喜欢哪种，吸烟座还是禁烟座呢？
What you said was quite true.
你所说的完全符合事实。