Polytetramethylene azelaate
[化] 聚壬二酸亚丁基酯; 聚壬二酸丁二醇酯
🗣️ 情景例句
Mid terms are coming soon.
很快就期中考试了。
She feels shy about meeting Frank for the first time.
她对于第一次和弗兰克约会感到难为情。
A telescope would have to be as far away as the planet Jupiter to look for life in outer space, because the dust becomes thinner the further we travel towards the outer edges of our own solar system.
望远镜要放置在木星那样遥远的行星上才有可能在外层空间搜寻生命。因为我们越是接近太阳系的边缘，尘埃就越稀薄。