Polymethine
聚甲炔; 聚甲炔
🗣️ 情景例句
The movie was pretty good.
那部电影非常好。
Don't forget to call me.
不要忘记叫我。
We can also use satellites to help us make telephone calls to foreign countries.
我们也能利用卫星帮助我们打国际电话。