Polyhexose
多糖
🗣️ 情景例句
Never gamble if you can't afford to lose.
如果你输不起的话，永远不要赌博。
Love is the touchstone of virtue.
爱情是美德的试金石。
Come and meet our employees, Mr.Richards.
来见见我们的雇员，理查兹先生。