Polysorb
有机聚合物担体
🗣️ 情景例句
Really, Grandpa?
真的， 爷爷？
None are so deaf as those who will not hear.
不愿倾听意见者最聋。
His father told everybody that Eric had been killed in action.
他的父亲告诉大家，埃里克在战争中被打死了。