Polyamide
[化] 聚酰胺
🗣️ 情景例句
Don't laugh. In the beginner's class,they give you a chance to rest between exercises.
别笑。在初级课程中你有机会休息。
As the touchstone tries gold, so gold tries man.
试金石可以试金，正如黄金可以试人。
'Oh, that,' said the Ambassador.
“那个嘛，”大使说，