Ramalinolic acid
[化] 乙种构桔苔酸
🧩 词语组成解析
🗣️ 情景例句
This big house is perfect for our large family.
这坐大房子完全适合我们大家庭居住。
How much is it by air mail?
航空信要多少钱？
He owned himself defeated.
他承认自己失败了。