Gtd
abbr. geometrical theory of diffraction 衍射几何理论; guaranteed 担保的, 有保证的
🗣️ 情景例句
Years of work went into these pictures.
多年心血换来这些照片。
None but the brave deserve the fair.
英雄才能配美人。
My holidays passed quickly, but I did not send cards to my friends.
假期过得真快，可我还没有给我的朋友们寄过一张明信片。