His frequent absence from class must be dealt with immediately.
他经常缺课的情况必须立即予以处理。
The absence of scrap material and ability to achieve Class-A finish.
这种方法的优点是没有废料、能取得A级表面精度。
An unexcused absence, as from school or a class.
旷课，逃避：未经允许的缺席，如逃学或旷课。
An unexcused absence, as from school or a class.
旷课，逃避未经允许的缺席，如。
Two students who did not come to class yesterday explained their absence to the teacher.
昨天没来上课的两名学生向老师解释了他们旷课的原因。
If I am late or miss a class, I explain my absence.
我需要为迟到和缺席说明原因。
The teacher called Tom to account for his repeated absence from class.
老师要求汤姆说明他一再缺课的理由。
Frequently absence of mind in the class made him fail in the exam.
经常在课上心不在焉使他考试不及格。
Frequently absence of mind in the class made him fail in the exam.
经常在课上心不在焉使他考试不及格。
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