Polypentamethylene suberamide
[化] 聚亚戊基辛二酰胺; 聚辛二酰戊二胺
🗣️ 情景例句
You'd better not make Harry any more nervous than he is.
你最好别让Harry更加紧张了。
And so, I'd like to proceed to the next stage.
所以，我要进行下一阶段了。
that people have for years assumed that the process of losing vigour with time,
多年来就已认识到。生命力随着时间流失而丧失活力，