Polysaccharides
多糖
🗣️ 情景例句
That's OK.
不去不要紧。
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
It is no use offering the manual labourer, tired out with a hard week's sweat and effort,
对于流汗出力干了一周苦活的体力劳动者来说，是不合适的；