Dienite
丁烯均聚物
🗣️ 情景例句
Thanks. Excuse me.
谢谢。对不起，失陪了。
Better some of a pudding than none of a pie.
聊胜于无。
So I drove back to the town and began to retrace the route, taking frequent glances at the map.
于是我驾车返回小镇，重新按路线行驶。