Pinalic acid
[化] 戊酸
🧩 词语组成解析
🗣️ 情景例句
He has been friendlier lately.
他近来更友好了。
I'd like to express my gratitude to you for your advice.
对于你的忠告，我想表示感谢之意。
No. He just asked if you could ring him back. Here's the number.
没有，他只问你能不能给他回一个电话。这是他的电话号码。