Pectosinic acid
[化] 果胶糖酸
🧩 词语组成解析
🗣️ 情景例句
Oh, Daddy, does that mean we don't have to move?
噢 ，爸爸 ，你的意思是我们不必搬家了？
Sorry to have kept you waiting.
抱歉使你久等了。
May I have a look at it, please?
我可以看一看吗？