Caseinic acid
[化] 酪蛋白酸\\n[医] 酪蛋白酸
🧩 词语组成解析
🗣️ 情景例句
Could I?
我可以用吗？
He looks gay.
他神气活现。
One day, the man downstairs went to talk to the man. He went upstairs and knocked the door.
一天，楼下人去找楼上人谈谈。 他上楼敲门。