Polymethine
聚甲炔; 聚甲炔
🗣️ 情景例句
They had no way to communicate directly with Kurt.
他们无法和库尔特直接联系。
Is he coming to dinner?
他回来吃饭吗？
in the belief that they may one day need just those very things.
相信总有一天需要的正好是那些东西。