Polythioether
[化] 聚硫醚
🗣️ 情景例句
You won't believe it, Grandpa,
你绝不会相信， 爷爷，
If you don't have the quality inquired for, please offer us its nearest equivalent.
如果贵方没有所要求质量的产品，请提供与之最接近的产品。
which we may call respectively the tough and the gentle.
我们分别称之为强硬法和温柔法。