Polynonanoylamide
[化] 聚壬酰胺; 尼龙-9
🗣️ 情景例句
No, these are only personal effects.
没有，这只是些私人用品。
I'd be happy to help you in any way I can.
我高兴尽我所能以任何方式帮助你。
Despite the new tunnel, there are still a few people who rashly attempt to cross the Pass on foot.
尽管修通了隧道，但仍有一些人想冒险徒步跨越圣伯纳德山口。