Pseudomucin
假粘蛋白
🗣️ 情景例句
His studies haven't been inproving lately.
他的学业最近没什么进步。
Never judge from appearances.
不可根据外貌判断；不可以貌取人。
Could you tell me your secret for a long, happy life?
你能告诉我长时间地过着快乐的生活的秘诀吗？