名词中文翻译
中文翻译：半钟时间
同义词：
['quarter hour', 'half-hour']
例句：
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1. The teacherasked us to finish our homework in thehalf clock period.
老师要求我们在半钟时间内完成作业。
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2. During the half clock period, we were allowed to use the library.
在半钟时间内，我们被允许使用图书馆。
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3. After the half clock period,we had a break and then continued withthe lesson.
半钟时间后，我们休息了一下，然后继续上课。