Polypentamethylene adipate
[化] 聚己二酸亚戊基酯
🧩 词语组成解析
己二酸
🗣️ 情景例句
Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩， 大家都应该遵守。
May I have a customs declaration form, please?
请给一份海关申报表好吗？
There are about 50 million sheep in New Zealand, about 14 sheep for every New Zealander!
在新西兰大约有5000万只羊，每个新西兰人拥有14只羊左右！