Polymethine
聚甲炔; 聚甲炔
🗣️ 情景例句
We accepted their challenge to a baseball game.
我们接受了他们棒球邀请赛的挑战。
He lived in California until he was seventeen.
他生活在加利福尼亚直到他十七岁。
We get to London this afternoon.
我们是今天下午到达伦敦的。