Euxanthinic acid
[化] 优黄酸
🧩 词语组成解析
🗣️ 情景例句
I am, too. But didn't you just get on?
我也是。可是，你不是刚上车的吗？
It is good to be merry at meal.
席间心情愉快是为上策。
Please fill in the blanks when you are answering the test questions.
你考试时请把那些空填上。