Pentynoic acid
[化] 戊炔酸
🧩 词语组成解析
🗣️ 情景例句
Hello. This is a representative of Zhongyou Department Store.
喂，您好。我是中友百货的。
A good wife and health is a man's best wealth.
贤妻和健康是男子的至宝。
The large size, please.
请拿大号的。