Caseanic acid
[化] 酪烷酸\\n[医] 酪烷酸
🧩 词语组成解析
🗣️ 情景例句
And don't forget your camera and film, Richard.
别忘了你的照相机和底片， Richard。
The surest way to be happy is to be busy.
要快乐，最可靠的办法是忙碌。
'We mustn't buy things we don't need,' I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说，