Mannosan
甘露聚糖
🗣️ 情景例句
Nice to meet you, Mr. Carlson.
很高兴见到你 Carlson先生。
Never trust another what you should do yourself.
自己应该做的事，决不要委托别人做。
He may be conceited, ill-mannered, presumptuous or fatuous,
这些年轻人也许狂妄自负，举止无理，傲慢放肆，愚昧无知，