Allanic acid
[化] 褐帘石\\n[医] 脲乙醛酸
🧩 词语组成解析
🗣️ 情景例句
I certainly can print the news.
我当然可以刊出这则新闻。
Friendship cannot stand always on one side.
来而不往非礼也。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。