Diaprojection
幻灯放映
🗣️ 情景例句
Your ideas are good ones.
你的想法很好。
I did work this afternoon.
我今天下午工作。
In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglected.
在工业生活的组织中，工厂对工人的生理和精神状态的影响完全被忽视了。