Pantonine
泛氨酸, α-氨基-β, β-二甲基-γ-羟基丁酸
🗣️ 情景例句
I'll give him your message as soon as he's available.
他一有空我就转告他您的留言。
The worth of a thing is best known by the want of it.
物以稀为贵。
What seems to be the delay in shipping?
你们出货延迟了，是什么原故呢？