Aryl acid
[化] 芳基酸
🧩 词语组成解析
[机] 芳香基
🗣️ 情景例句
She told Robbie that her flight tomorrow was canceled,
她告诉Robbie说 她明天的班机取消了
Let's call it a day.
我们今天就到这儿吧。
'It's a waste of time.
“这是浪费时间。