M-acid
[化] M酸; 1-氨基-5-萘酚-7-磺酸
🧩 词语组成解析
🗣️ 情景例句
I heard the professor of that class is very good.
我听说那个班的教授很好。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
He suggested a picnic.
他建议搞一次野餐。