Polynonamethylene adipate
[化] 聚己二酸亚壬基酯
🧩 词语组成解析
己二酸
🗣️ 情景例句
She loves children.
她喜欢孩子。
Two ears to one tongue, therefore hear twice as much as you speak.
两只耳朵对一舌，故应多听而少说。
The pilot managed to circle the balloon for some time.
飞行员设法绕着气球飞了一阵。