Allanic acid
[化] 褐帘石\\n[医] 脲乙醛酸
🧩 词语组成解析
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
And I got it on sale.
我在大减价时买的。
The sandwiches were on the plates, and the candles were on the cake. Ann felt very happy.
三明治在碟子里，蜡烛插在蛋糕上。安觉得很愉快。