Pentacetate
五乙酸盐
🗣️ 情景例句
His number is five, five, five, seven, five, three, two.
他的号码是5557532。
You're hopeless!
你真是没救了！
Clusters of tin insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子。