Bioxindol
异靛蓝
🗣️ 情景例句
I'm a photographer.
我是摄影师。
They that sow in tears shall reap in joy.
泪水汪汪播种，得意洋洋收获。
A 55-storey building went up in 1913, and in 1931 the Empire State Building was completed, then the tallest building in the world.
1913年一座55层高的大楼拔地而起。1931年帝国大厦竣工，这在当时是世界上最高的大厦。