Polynonamethylene resorcinaldiglycolate
[化] 聚间苯二酚缩二羟基乙酸亚壬基酯
🗣️ 情景例句
He is tough in doing everything.
他不管做什么事都很有毅力。
When do you expect to have this ready for sale?
你希望此种商品何时上市出售呢？
The cave led back into the rockface and the earth by the entrance was dry.
岩洞迂回延伸到岩面里，靠近洞口的土是干的。