indicator medium
基本释义
指示物培养基;鉴别培养基
实用场景例句
学术讨论
The government decided to levy a new tax on carbon emissions.
政府决定对碳排放征收新税。
Historical records show that ancient rulers often levied levies on their subjects.
历史记录显示，古代统治者经常对臣民征收贡赋。
The union threatened to levy a strike if its demands were not met.
如果需求得不到满足，工会威胁要发动罢工。
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