Methanedicarbonic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
What channel?
哪个频道？
He has majored in biology.
他专供生物学。
but they can still stop you when you are going through the Green Channel and have nothing to declare.
但是，当你通过绿色通道，没有任何东西需要申报时，他们仍可以拦住你。