Lecture theater
n. 階梯教室
?? 詞語組成解析
lecture
['lekt??]
n. 演講;訓斥，教訓;
vi. 作演講;
vt. 給…作演講;教訓（通常是長篇大論的）;
theater
['θi?t?(r)]
n. 劇場;戲劇界;戲劇效果;[軍]戰區;
??? 情景例句
There's no end to the paperwork I have on my desk.
我桌上的工作永遠沒個完。
All our work was in vain.
我們白干了一場。
Maybe some folk songs to start with?
先演奏些民歌嗎？