Semitriangular
半三角(形)的
🗣️ 情景例句
Haven't we met someplace before?
我们以前没见过面吗？
All things are difficult before they are easy.
凡事都是先难后易。
It's really nice of you. Thank you very much. said the man.
“你们真好。非常感谢你们”，那人说。