Acetacetatic acid
[建] 乙酰醋酸
?? 詞語組成解析
??? 情景例句
What other dialect do you understand?
你還懂哪種方言？
I wish I were running across an open field.
我真希望在原野奔跑。
This pen doesn't write well.
這鋼筆不好寫。