R acid
[化] R酸; 2-萘酚-3,6-二磺酸
🧩 词语组成解析
🗣️ 情景例句
Good night, Harry.
再见。
Please remember this is not to be taken as final.
请记得这不是最后的回答。
A mooncake is a delicious, round cake.
月饼是一种味美的圆糕点。