Polyacetylvinylamine
[化] 聚乙酰氨基乙烯
🗣️ 情景例句
but they probably had other things on their minds.
但他们也许还有其他的事想要做。
I'm from out of town.
我从城外面来。
When the fire had at last been put out, the forest authorities ordered several tons of a special type of grass-seed which would grow quickly.
在大火最后被扑灭后，森林管理当局订购了好几吨一种生长迅速的特殊类型的草籽。