Polybond
聚硫橡胶粘合剂
🗣️ 情景例句
Only one hundred and twenty-one votes!
仅仅一百二十一票！
All the neighbors helped us move in.
邻居们都帮忙为我们搬家。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。