Opac
[计] 公用在线查询系统
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
My father used to smoke, but now he doesn't.
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Nice to see you. Please come in. This way, please.
很高兴见到你，进来吧！请这边走。