Pectinic acid
[化] 果胶酯酸
🧩 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？
She is timid and completely at a loss what to do.
她羞臊得不知所措。
One of the first things Annie did was to teach me how to play.
安妮首先要做的事情之一，就是教我如何耍。