Acacic acid
[化] 金合欢酸
🧩 词语组成解析
🗣️ 情景例句
Well, it's a very easy operation, Carl.
这是个很简单的手术 Carl。
Do you want me to explain?
让我替你说明好吗？
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。