Polypentamethylene suberamide
[化] 聚亚戊基辛二酰胺; 聚辛二酰戊二胺
🗣️ 情景例句
Good-bye.
再见。
It is an ill bird that fouls its own nest.
家丑不可外扬。
Combining exercise with the diet may be the most effective way to lose weight.
运动与节食结合也许是减肥最有效的途径。