Polymethine
聚甲炔; 聚甲炔
🗣️ 情景例句
Maybe we could make it a surprise.
也许我们可以让它变成一场惊喜。
She couldn't bear the sight of the mean man.
她连看那个卑鄙的男人一眼都不愿意。
Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths.
长期以来，历史学家一直对雕刻在墙壁上、骨头上、古代长毛象的象牙上的点、线和形形色色的符号感到困惑不解。