biotin-marking

常见例句

• He accused his teacher of unfair marking.
  他指责教师打分不公平。
• He vainly tried to mark the defacing stain out.
  他试图除去有损外观的污迹，但没有成功。
• She spent the evening marking examination papers.
  她一晚上都在批试卷。
• A sinuous path, line, or marking.
  弯弯曲曲的道路、线条或记号
• Marking the exam papers was quite a slog.
  评阅试卷是很辛苦的工作。
• Her school work isn't quite up to the mark.
  她的功课不大符合要求。
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