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
Me, too. Have fun!
我也是。祝你们愉快
I don't allow my children to play with toy guns.
我不让自己的孩子玩玩具枪。
Fortunately, a pilot saw the signal and sent a message by radio to the nearest town.
幸运得很，一位飞行员看到这个信号，用无线电给最近的城镇发了报。