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[机] 卤素
🗣️ 情景例句
OK. What time is it?
好啊。什么时候？
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。