Mrt
abbr. 平均辐射温度（mean radiant temperature）；大规模快运系统（Mass Rapid Transit）；平均滞留时间（mean residence time）
🗣️ 情景例句
Tell me about your educational background.
告诉我你的学习背景。
A cock is valiant on his own dunghill.
夜郎自大。
From then on, Harry decided that this little game he had invented might prove to be expensive.
从那以后，他认识到自己发明的小小恶作剧是要付出很大的代价的。