Allanic acid
[化] 褐帘石\\n[医] 脲乙醛酸
🧩 词语组成解析
🗣️ 情景例句
Don't be so miserable!
别这愁眉苦脸的。
I must say that I'm a little at a loss as to how to introduce them.
我必须表明对于如何介绍他们，我有点不知所措。
I concluded that they were simply shy of strangers.
我认为这不过是他们在陌生人面前表现出的害羞。