Polypentamethylene succinate
[化] 聚丁二酸亚戊基酯
🧩 词语组成解析
n. [化]琥珀酸盐(或酯)
🗣️ 情景例句
No,
不对，
To ensure faster delivery, you are asked to forward the order by air freight.
为了确保迅速交货，我方要求此订货用空运。
He collected tetters and made copies of people's diaries.
他收集到一些信件，复印了一些人的日记。